OTICON A/S Patent applications |
Patent application number | Title | Published |
20160142838 | METHOD OF FITTING A HEARING DEVICE TO A USER, A FITTING SYSTEM FOR A HEARING DEVICE AND A HEARING DEVICE - The application relates to a method of fitting a hearing device to a user, the method comprising a) Defining a user as a first time user; b) Selecting a processing algorithm to have special first time user settings; c) Defining prescribed settings for the user; d) Defining special first time user settings for said processing algorithm; e) Defining a scheme for adapting said special first time user settings to said prescribed settings over time. The application further relates to a method of a fitting system and to a hearing device. The object of the present application is to provide an alternative fitting scheme for a first time user of a hearing device. The method further provides that the processing algorithm to have special first time user settings is selected from the group comprising noise reduction algorithms, directionality algorithms, binaural compression algorithms, and a combination thereof. The method provides an alternative way of customizing a first time user of a hearing device to the usage of the hearing device. The invention may e.g. be used in hearing devices that need to be customized to a particular user's wishes. | 05-19-2016 |
20160119728 | HEARING SYSTEM FOR ESTIMATING A FEEDBACK PATH OF A HEARING DEVICE - The application relates to a hearing system comprising a hearing device (HD), and a programming device (PD), and a feedback path analyzer (FPA) for providing an estimate of a feedback path from an output transducer to an input transducer of the hearing device. The hearing device (HD) and the programming device (PD) each comprises a programming interface (PI, PD-PI) allowing the exchange of data between the devices. The feedback path analyzer (FPA) is located in the programming device (PD), and the hearing device (HD) comprises respective input (IBUF) and output (OBUF) buffers for storing corresponding input and output time segments of the electric input signal or a signal derived therefrom and of the processed output signal or a signal derived therefrom, respectively. The hearing device (HD)—in a specific feedback measurement mode—is configured to transmit said stored input and output time segments of the respective signals to the feedback path analyzer (FPA) of the programming device (PD) via said programming interface (PI, PD-PI), and the feedback path analyzer (FPA) is configured to determine said estimate of the feedback path based on said (stored) input and output time segments. Thereby a more accurate estimation and/or a shorter measurement time can be achieved. The invention may e.g. be used for the fitting of hearing devices, e.g. hearing aids, to a particular use or user. | 04-28-2016 |
20160119726 | HEARING ASSISTANCE DEVICE WITH BRAIN COMPUTER INTERFACE - The present disclosure relates to communication devices. Such devices may comprise input for receiving sound signal to be processed and presented to a user, and output for outputting the processed signal to a user perceivable as sound. Such processing may be performed by use of a processor for processing the sound signal in dependence of a setting or a set of setting to compensate a hearing loss profile. Further, the communication device may comprise a bio-signal acquisition and amplifier component in communication with a user interface for providing the bio-signals as input to the user interface, the user interface controlling the setting or set of setting for operation of the communication device. | 04-28-2016 |
20160112815 | METHOD OF IDENTIFYING A WIRELESS COMMUNICATION CHANNEL IN A SOUND SYSTEM - A method of identifies an appropriate wireless communication channel in an audio receiving device, that comprises 1) a wireless receiver receiving an audio signal on a particular transmission channel selected among a predefined number of possible transmission channels, and 2) a microphone for picking up a sound in the environment of the audio receiving device. The method comprises a) selecting a channel as the receiving channel among a predefined number of possible transmission channels; b) analyzing the received signal received and the signal picked up by the microphone; c) determining whether a predefined criterion concerning the degree of similarity of the received signal and the signal picked up by the microphone is fulfilled; d) KEEPING the channel as the receiving channel, if the predefined criterion is fulfilled; and e) CHANGING the receiving channel to another channel if the predefined criterion is NOT fulfilled. | 04-21-2016 |
20160112811 | HEARING SYSTEM - The present disclosure regards a hearing device configured to receive acoustical sound signals and to generate output sound signals comprising spatial cues. | 04-21-2016 |
20160100259 | FEEDBACK ESTIMATION BASED ON DETERMINISTIC SEQUENCES - The application relates to a hearing system comprising a hearing device the hearing device comprising an input transducer for converting an input sound from the environment of the hearing device to an electric input signal, and an output transducer for converting an electric output signal to an output sound, and the input transducer—in a first mode of operation—being operationally coupled to the output transducer via a forward path, the hearing device further comprising a configurable output combination unit in said forward path, said output combination unit having first and second signal inputs and a signal output, the first signal input being a signal of the forward path and the second signal input being an output probe signal, and the output signal being electrically connected to said output transducer and configurable to consist of either of the first or second signal inputs, or a mixture or the first and second signal inputs, the hearing system further comprising a configurable probe signal generator for generating said output probe signal, an adaptive feedback estimation unit for generating an estimate of an unintended feedback path comprising an external feedback path from said output transducer to said input transducer, said feedback estimation unit comprising a feedback estimation filter using an adaptive feedback estimation algorithm, the adaptive feedback estimation unit being operationally coupled to the forward path, and a control unit for generating a control signal for controlling said configurable probe signal generator based on one or more control input signals, wherein said configurable probe signal generator is adapted to generate or select said output probe signal from a multitude of different probe signals, wherein said multitude of different probe signals comprises a perfect or almost perfect sequence and/or a an almost perfect sweep sequence. This has the advantages that the adaptation rate of the adaptive algorithm for estimating the feedback path and/or the precision of the feedback path estimate can be optimized. | 04-07-2016 |
20160099008 | HEARING DEVICE COMPRISING A LOW-LATENCY SOUND SOURCE SEPARATION UNIT - The application relates to a hearing device comprising a) an input unit for delivering a time varying electric input signal representing an audio signal comprising at least two sound sources, b) a cyclic analysis buffer unit of length A adapted for storing the last A audio samples, c) a cyclic synthesis buffer unit of length, where L is smaller than A, adapted for storing the last L audio samples, which are intended to be separated in individual sound sources, d) a database having stored recorded sound examples from said at least two sound sources, each entry in the database being termed an atom, the atoms originating from audio samples from first and second buffers corresponding in size to said synthesis and analysis buffer units, where for each atom, the audio samples from the first buffer overlaps with the audio samples from the second buffer, and where atoms originating from the first buffer constitute a reconstruction dictionary, and where atoms originating from the second buffer constitute an analysis dictionary. The application further relates to a method of separating audio sources, and e) a sound source separation unit for separating said electric input signal to provide separated signals representing said at least two sound sources, the sound source separation unit being configured to determine the most optimal representation (W) of the last A samples given the atoms in the analysis dictionary of the database, and to generate said at least two sound sources by combining atoms in the reconstruction dictionary of the database using the optimal representation (W). The invention may e.g. be used for hearing devices, e.g. hearing aids, headsets, ear phones, active ear protection systems, handsfree telephone systems, mobile telephones, teleconferencing systems, public address systems, classroom amplification systems, etc. | 04-07-2016 |
20160094922 | POSITIONED HEARING SYSTEM - The present disclosure regards a hearing system comprising a bony portion fastening unit and a hearing device. The present disclosure further regards a method for arranging a hearing device of a hearing system. The bony portion fastening unit is configured to be arranged in an ear canal of a user, to be permanently connected with a bone of a bony portion of the ear canal, and to penetrate a skin of the bony portion of the ear canal in order to extend in its implanted state from the bone of the bony portion of the ear canal through the skin into a cavity formed by the ear canal. The bony portion fastening unit is configured to fastening and positioning the hearing device in the ear canal. | 03-31-2016 |
20160081623 | HEARING ASSISTANCE SYSTEM COMPRISING ELECTRODES FOR PICKING UP BRAIN WAVE SIGNALS - The application relates to a hearing assistance system comprising first and second spatially separated parts adapted for being mounted fully or partially at a first ear and on the head of a user, respectively, the first and second parts comprising a number of first and second electrodes located at a surface of first and second housings, respectively, to allow said first and second electrodes to contact the skin of the user when said parts are operationally mounted on the user's head. The first and second electrodes are adapted to pick up low-voltage electric signals from the user's brain and a reference voltage, respectively, to provide voltage difference signals. An improved binaural hearing assistance system further comprising a comparison unit for determining the voltage difference signal, and an electric interface allowing the reference voltage or a measure representative thereof to be transferred from said second part to said comparison unit is provided. | 03-24-2016 |
20160080876 | METHOD OF OPERATING A HEARING INSTRUMENT BASED ON AN ESTIMATION OF PRESENT COGNITIVE LOAD OF A USER AND A HEARING AID SYSTEM - A method of operating a hearing instrument for processing an input sound and to provide an output stimulus according to a user's particular needs, and related system, computer readable medium and data processing system. An object is to provide an improved customization of a hearing instrument. The method includes the steps a) providing an estimate of the present cognitive load of the user; b) providing processing of an input signal originating from the input sound according to a user's particular needs; and c) adapting the processing in dependence of the estimate the present cognitive load of the user. The estimate of the present cognitive load of a user is produced by in-situ direct measures of cognitive load (e.g. based on EEG-measurements, body temperature, etc.) or by an on-line cognitive model in the hearing aid system whose parameters have been preferably adjusted to fit to the individual user. | 03-17-2016 |
20160080873 | HEARING DEVICE COMPRISING A GSC BEAMFORMER - The application relates to a hearing device comprising a beamformer of the generalized sidelobe canceler (GSC) type. The application further relates to a method of operating a hearing device. The disclosure addresses a problem which occurs when using a GSC structure in a hearing device application. The problem arises due to a non-ideal target-cancelling beamformer. As a consequence, a target signal impinging from the look direction can—unintentionally—be attenuated by as much as 30 dB. To resolve this problem, it is proposed to monitor the difference between the output signals from the all-pass beamformer and the target-cancelling beamformer to control a time-varying regularization parameter in the GSC update. This has the advantage of providing a computationally simple solution to the non-ideality of the GSC beamformer. The invention may e.g. be used in hearing aids, headsets, ear phones, active ear protection systems, or combinations thereof. | 03-17-2016 |
20160066104 | BINAURAL HEARING SYSTEM AND METHOD - The present disclosure regards a binaural hearing system configured to receive sound signals from the environment having two hearing instruments to be worn on respective sides of the head of a user and to generate a binaural signal using the received sound signals of both hearing instruments. | 03-03-2016 |
20160057547 | HEARING ASSISTANCE DEVICE COMPRISING A LOCATION IDENTIFICATION UNIT - The application relates to a hearing assistance device adapted for being located in or at a specific one of a left or a right ear of a user, and comprising an input unit for receiving an input signal and an output unit for providing an output signal. The application further relates to a method and to a hearing assistance system. The application aims at providing an improved scheme for detecting left/right placement of a hearing device. The hearing assistance device further comprises a memory unit wherein information about the intended location of the hearing assistance device is or can be stored, a location identification unit configured to extract an intended location from said memory unit, and a user interface configured to convey information related to the intended and/or current location of the hearing assistance device. A user is thus informed, if the hearing assistance device(s) is/are not located as intended. | 02-25-2016 |
20160049967 | RF TRANSMITTER FOR ELECTRICALLY SHORT ANTENNA - An RF transmitter comprises a capacitive energy storage, an output stage and a switching circuit with an open state and a closed state. The capacitive energy storage forms with the antenna when connected thereto a resonance circuit with a resonance frequency and a quality factor. The output stage provides an electric transmission signal to the resonance circuit. The switching circuit comprises a first transistor for switching between the open state and the closed state and is connected to an antenna output terminal through a capacitance formed by the capacitive energy storage such that the maximum signal voltage occurring across the switching circuit in its open state is lower than the maximum signal voltage occurring across the antenna output terminals. The transmitter is adapted to alter the quality factor by changing the series resistance of the switching circuit in its closed state. | 02-18-2016 |
20160038738 | HEARING ASSISTANCE SYSTEM WITH IMPROVED SIGNAL PROCESSING COMPRISING AN IMPLANTED PART - The application relates to a hearing assistance system (a method and its use) for processing an input signal representative of sound according to a user's needs, the hearing assistance system comprising an implanted part adapted for being at least partially implanted in a user's head and comprising a sensing unit capable of measuring an endocochlear potential at one or more positions along the length of the cochlear partition. The hearing assistance system further comprises a decoder configured to receive said endocochlear potentials or signals derived therefrom and to transform the received signals into signals appropriately conditioned for use as control inputs to the signal processing unit, and wherein the signal processing unit is configured to process the electric input signal in dependence of said control inputs from said decoder. Thereby the processing of the audio signal of a hearing assistance device can be automatically adapted over time. | 02-11-2016 |
20150358748 | REMOTE CONTROL FOR A HEARING INSTRUMENT AND A METHOD THEREOF - According to an embodiment, a method for automatically customizing a software application at a remote control adapted to control a hearing instrument is disclosed. The method includes receiving, at the remote control, a sound sequence and interpreting a metadata comprised in the sound sequence. The sound sequence is delivered by a speaker of the hearing instrument. thereafter, the software application available at the remote control is customized in accordance with the interpreted metadata such that the software application is adapted to the hearing instrument. | 12-10-2015 |
20150350794 | AUTOMATIC REAL-TIME HEARING AID FITTING BASED ON AUDITORY EVOKED POTENTIALS EVOKED BY NATURAL SOUND SIGNALS - The application relates to a hearing aid comprising at least one electrode located at a surface of a housing of the hearing aid to allow said electrodes to contact the skin of a user during use of the hearing aid, at least one electrode being adapted to pick up a low voltage signal from the user's brain, the hearing aid further comprising an amplifier unit operationally connected to said electrode(s) and adapted for amplifying said low voltage signal(s) to provide amplified brain signal(s), and a signal processing unit adapted to process said amplified brain signal(s) to provide a processed brain signal as well as to apply a time and frequency dependent gain to an input audio signal and to provide a processed audio output signal. The application further relates to a method of operating a hearing aid and to its use and to a hearing aid system. The object of the present application is to provide a hearing aid capable of monitoring a user's hearing ability over time. The problem is solved in that the signal processing unit is configured a) to identify characteristic signal parameters describing a current time segment of the electric audio input signal, b) to decide whether said characteristic signal parameters fulfill a predefined criterion, and, if said predefined criterion is fulfilled, c) to store brain signal data representative of the low voltage electric signal from the user's brain picked up during said current time segment or corresponding amplified brain signal(s) in a memory, and d) to use the stored brain signal data to determine a processed brain signal related to said predefined criterion, and to modify said time and frequency dependent gain depending on said processed brain signal. This has the advantage of providing a hearing aid wherein at least a part of the fitting process of a hearing aid to a particular user can be automated and/or continuously updated. The invention may e.g. be used for the hearing aids or hearing aid systems where a continuous evaluation of a user's hearing thresholds is needed. | 12-03-2015 |
20150341730 | HEARING DEVICE - A hearing device comprising a first and a second input sound transducers, a processing unit, and an output sound transducer. The first transducer is configured to be arranged in an ear canal or in the ear of the user, to receive acoustical sound signals from the environment and to generate first electrical acoustic signals from the received acoustical sound signals. The second transducer is configured to be arranged behind a pinna or on, behind or at the ear of the user, to receive acoustical sound signals from the environment and to generate second electrical acoustic signals from the received acoustical sound signals. The processing unit is configured to process the first and second electrical acoustic signals. The output sound transducer is configured to be arranged in the ear canal of the user and to generate acoustical output sound signals from electrical acoustic signals. | 11-26-2015 |
20150333717 | METHODS AND APPARATUS FOR PROCESSING AUDIO SIGNALS - A method for processing an audio signal (i(t)), comprises: receiving a first set (x(t)) of time-varying signals representing a first sound comprised in the audio signal (i(t)), the first set (x(t)) of time-varying signals comprising an amplitude modulation signal (a(t)), a carrier frequency signal (f | 11-19-2015 |
20150319542 | INSTRUMENT WITH REMOTE OBJECT DETECTION UNIT - The present disclosure relates to an apparatus having a directional microphone system having adaptable directionality and a remote object detection unit configured to detect a remote object by detecting a transmitted signal reflected from the object, the directionality of the directional microphone system may be modified or adapted based on the detection of the remote object. | 11-05-2015 |
20150319541 | HEARING AID DEVICE - A hearing aid device comprising means for being at least partly inserted into the ear canal of a hearing aid user is disclosed. The hearing aid device comprises at least one electro-active member comprising a top electrode layer and a bottom electrode layer and a dielectric elastomer member sandwiched between the top electrode layer and the bottom electrode layer. | 11-05-2015 |
20150289069 | HEARING AID DEVICE - A hearing aid device comprises a body member having a through-going canal and a receiver comprising means for attaching a dome. The device comprises a pull out string for inserting the body member in an ear canal and to pull out the body member from the ear canal. The device comprises a pull out string displaceable arranged within a pull out string canal of the body member. The pull out string comprises a through-going bore and the device comprises means for maintaining the pull out string in a first position within the pull out string canal, where in a first position the through-going canal and the through-going bore constitute a through-going vent while inserting the body member into the ear canal. The device comprises means for bringing and maintaining the pull out string into a second position, where in a second position the pull out string blocks the through-going canal. | 10-08-2015 |
20150289068 | HEARING AID DEVICE HAVING BATTERY DRAWER - A hearing aid device comprising a housing having an opening and a battery drawer is disclosed. The hearing aid device comprises a housing having an opening and a battery drawer that constitutes a battery door that is rotably mounted to the housing. The battery drawer comprises a finger engagement portion arranged at the outside surface of the battery drawer. The hearing aid device comprises means for closing the battery door by pushing the finger engagement portion and for maintaining the battery door closed. The hearing aid device comprises means for at least partly opening the battery door by pushing the finger engagement portion and for maintaining the battery door at least partly open. The hearing aid device comprises means for electrically switching the hearing aid device on and off by pushing the finger engagement portion. | 10-08-2015 |
20150289065 | BINAURAL HEARING ASSISTANCE SYSTEM COMPRISING BINAURAL NOISE REDUCTION - The application relates to a binaural hearing assistance system comprising left and right hearing assistance devices, and a user interface, to its use and to a method. The left and right hearing assistance devices comprises a) at least two input units for providing a time-frequency representation of an input signal in a number of frequency bands and a number of time instances; and b) a multi-input unit noise reduction system comprising a multi-channel beamformer filtering unit operationally coupled to said at least two input units and configured to provide a beamformed signal. The binaural hearing assistance system is configured to allow a user to indicate a direction to or location of a target signal source relative to the user via said user interface. This has the advantage that interaural cues of the target signals can be maintained, while the ambient noise is reduced. | 10-08-2015 |
20150289064 | SELF-CALIBRATION OF MULTI-MICROPHONE NOISE REDUCTION SYSTEM FOR HEARING ASSISTANCE DEVICES USING AN AUXILIARY DEVICE - The application relates to hearing assistance system (use and method) for calibrating a noise reduction system of a hearing assistance device. The system comprises a hearing assistance device, and an auxiliary device. The hearing assistance device comprises a multitude of input units, and a multi-channel beamformer filtering unit configured to determine filter weights for a beamformed signal. The system further comprises a user interface for activating a calibration mode. The auxiliary device comprises an output transducer for converting an electric calibration signal to an acoustic calibration sound signal. The system is configured to estimate a look vector for a target signal originating from a target signal source located at a specific location relative to the user based on the acoustic calibration sound signal. | 10-08-2015 |
20150289061 | HEARING AID COMPRISING A FLEXIBLE CONNECTION MEMBER - A hearing aid device configured to be inserted into the ear canal of a hearing aid user. The hearing aid includes a receiver, a hearing instrument body, and a connection member extending between the hearing instrument body and the receiver. The connection member is a permanent part of the hearing aid device and the connection member has a stiffness that allows the receiver to be inserted into the ear canal by moving the hearing instrument body towards the eardrum. The connection member comprises means for achieving a first stiffness sufficient large to insert the hearing aid device into the ear canal the connection member comprises means for achieving a second significantly reduced stiffness which makes the hearing aid device comfortable to wear for the user. | 10-08-2015 |
20150264496 | METHOD FOR PRODUCING HEARING AID FITTINGS - A method for producing a custom-fit hearing device is disclosed. The method for producing a custom-fit hearing device comprises the step of scanning the hearing aid user's ear(s). The method comprises the step of scanning the outer ear of at least one of the user's ears and/or at least a region of the skull bone of the hearing aid user and providing data obtained during scans. | 09-17-2015 |
20150264491 | DEVICE FOR INSERTING OR WITHDRAWING A HEARING AID - According to an embodiment of the disclosure, a device for inserting a hearing aid into an ear canal of a user of the hearing aid or for withdrawing the hearing aid from the ear canal is disclosed. The device includes a tool adapted to removably attach to the hearing aid for positioning the hearing aid in the ear canal, a camera adapted to capture data comprising at least one image and/or video of the ear canal during the insertion or withdrawing of the hearing aid; and a transmitter adapted to transmit the captured data to an external unit. | 09-17-2015 |
20150256956 | MULTI-MICROPHONE METHOD FOR ESTIMATION OF TARGET AND NOISE SPECTRAL VARIANCES FOR SPEECH DEGRADED BY REVERBERATION AND OPTIONALLY ADDITIVE NOISE - The application relates to an audio processing system and a method of processing a noisy (e.g. reverberant) signal comprising first (v) and optionally second (w) noise signal components and a target signal component (x), the method comprising a) Providing or receiving a time-frequency representation Y | 09-10-2015 |
20150230036 | HEARING AID DEVICE COMPRISING A SENSOR MEMBER - A hearing aid device is disclosed. The hearing aid device comprises means to improve, augment and/or protect the hearing capability of a user by receiving acoustic signals from the surroundings of the user, generating corresponding audio signals, possibly modifying the audio signals and providing the possibly modified audio signals as audible signals to at least one of the user's ears. The hearing aid device comprises a sensor member for detecting the movement and/or acceleration and/or orientation (or spatial position) of the hearing aid device. The hearing aid device comprises at least two hearing aid microphones and a control unit for determining the position or a deviation from an intended position of the hearing aid device or hearing aid microphones. The hearing aid device is configured to compensate for a possible dislocation of the hearing aid microphones. | 08-13-2015 |
20150230032 | HEARING DEVICE WITH LOW-ENERGY WARNING - The present invention regards a hearing device comprising a power source, a control unit, a power source charge state monitoring unit, a timing unit, and an output unit. The hearing device is configured to be worn on or at an ear of a user. The power source is configured to power the hearing device. The power source charge state monitoring unit is configured to monitor the charge state of the power source by determining a current output voltage value of the power source. The timing unit is configured to measure a duration between two points in time. The output unit is configured to generate output sounds corresponding to electrical sound signals. The control unit is configured to activate a low-energy warning mode, if the current output voltage value determined by the power source charge state monitoring unit is below a predetermined threshold output voltage value of the power source. The control unit is further configured to adjust the predetermined threshold output voltage value in dependence of a duration of the low-energy warning mode. The control unit operating in the low-energy warning mode is configured to generate electrical low-energy warning signals. The output unit is configured to generate output stimuli perceived by the user as sounds corresponding to the electrical low-energy warning signals and/or to transmit such output sounds and/or signals indicating low energy warning signals to another device. | 08-13-2015 |
20150222999 | APPARATUS FOR DETERMINING COCHLEAR DEAD REGION - An apparatus for determining cochlear dead region comprising a sound generation unit, an output transducer, and a control unit. The control unit causes the sound generation unit to provide a first electrical sound signal representing a first frequency band adjacent to a frequency region of interest, with a first bandwidth, a first sound pressure level and a first subsequent electrical sound signal representing a first subsequent frequency band comprising the frequency region of interest with a first subsequent bandwidth, a first subsequent sound pressure level, and a first subsequent time delay to the first electrical sound signal. In response, the output transducer generates a first output sound and a first subsequent output sound with the first subsequent time delay. A user compares the first output and first subsequent output sounds and decides, whether he hears a difference between the two sounds and gives a positive or negative decision input. | 08-06-2015 |
20150201287 | BINAURAL SOURCE ENHANCEMENT - The present invention regards a binaural hearing system comprising a first hearing device and a second hearing device. Each of the hearing devices comprises a power source, an environment sound input, a link unit and electric circuitry. The environment sound input is configured to receive sound from an acoustic environment and to generate an environment sound signal. The link unit is configured to transmit the environment sound signal from the hearing device comprising the link unit to a link unit of the other hearing device of the binaural hearing system and to receive a transmitted environment sound signal from the other hearing device. The electric circuitry of each of the hearing devices is configured to process and environment sound signals and transmitted environment sound signals and to estimate a respective time delay between the environment sound signal and the transmitted environment sound signal based on the corresponding processed signals. The electric circuitry is configured to apply the respective time delay to the transmitted environment sound signal to generate a time delayed transmitted environment sound signal. The electric circuitry is configured to subtract the equalized (at least time delayed) transmitted environment sound signal from the environment sound signal to receive an equalized-cancelled environment sound signal, and to determine a target signal and/or a noise signal based thereon. | 07-16-2015 |
20150163608 | DIMINISHING TINNITUS LOUDNESS BY HEARING INSTRUMENT TREATMENT - A listening device for a hearing impaired person being subjected to a tinnitus at a tinnitus frequency range including a tinnitus frequency is disclosed. The device includes an input transducer for providing an electric input signal comprising audio and a controllable filter for filtering the electric input signal received from the input transducer. The filter outputs a filtered electric input signal such that signal energy of the electric input signal immediately surrounding the tinnitus frequency remain substantially unchanged and signal energy of the electric input signal at a distance to the tinnitus frequency is substantially reduced. The device further includes a processor connected downstream of the filter and processes the filtered electrical input signal and outputs a processed electric signal, and an output transducer connected downstream of the processor and converts the processed electric signal to an acoustic output signal to be presented to a hearing impaired person. | 06-11-2015 |
20150163603 | HEARING AID WITH ANTENNA FOR RECEPTION AND TRANSMISSION OF ELECTROMAGNETIC SIGNALS - The invention regards a communication device which is adapted for placement in a users ear. The communication device comprises a shell part enclosing an input transducer for receiving an input signal, a signal processing device and an output N transducer for providing a signal perceivable as sound, a battery located at a surface part of the shell which is facing away from the head of the user, a transmission and reception circuit for transmission and/or reception of electromagnetic energy. According to the invention an antenna for radiating and/or receiving electromagnetic energy is provided such that it has a first surface turned towards the surroundings and a second surface located in close proximity of the battery. | 06-11-2015 |
20150163602 | HEARING AID DEVICE FOR HANDS FREE COMMUNICATION - The present invention regards a hearing aid device at least one environment sound input, a wireless sound input, an output transducer, electric circuitry, a transmitter unit, and a dedicated beamformer-noise-reduction-system. The hearing aid device is configured to be worn in or at an ear of a user. The at least one environment sound input is configured to receive sound and to generate electrical sound signals representing sound. The wireless sound input is configured to receive wireless sound signals. The output transducer is configured to stimulate hearing of the hearing aid device user. The transmitter unit is configured to transmit signals representing sound and/or voice. The dedicated beamformer-noise-reduction-system is configured to retrieve a user voice signal representing the voice of a user from the electrical sound signals. The wireless sound input is configured to be wirelessly connected to a communication device and to receive wireless sound signals from the communication device. The transmitter unit is configured to be wirelessly connected to the communication device and to transmit the user voice signal to the communication device. | 06-11-2015 |
20150156592 | SPATIAL FILTER BANK FOR HEARING SYSTEM - The present invention regards a hearing system configured to be worn by a user comprising an environment sound input unit, an output transducer, and electric circuitry. The environment sound input unit is configured to receive sound from the environment of the environment sound input unit and to generate sound signals representing sound ( | 06-04-2015 |
20150139460 | HEARING DEVICE WITH ADAPTIVE FEEDBACK-PATH ESTIMATION - A hearing device comprises a feedback-path estimation unit, which adaptively estimates a feedback path from an output transducer to an input transducer, and sets an adaptation-step size of an adaptive feedback-path estimation algorithm in dependence on an estimate of a background-noise spectrum. The feedback-path estimation unit provides an estimation-control signal for generating an acoustic feedback-path estimation signal having an level spectrum, which has at least one first frequency band with non-zero level and at least one second frequency band with zero level or with a non-zero level smaller than the level in the first frequency band and smaller than a background-noise level in the respective second frequency band. Background noise is detected in the second frequency band while the feedback-path estimation signal is provided. The background-noise level in the at least one first frequency band is estimated for obtaining the estimate of the background-noise spectrum. A corresponding method is described. The method is e.g. useful for estimating a feedback path during fitting of a hearing device, e.g. a hearing aid, to a particular user's needs. | 05-21-2015 |
20150139459 | COMMUNICATION SYSTEM - The present invention regards a communication system ( | 05-21-2015 |
20150124976 | BINAURAL HEARING ASSISTANCE SYSTEM COMPRISING TWO WIRELESS INTERFACES - The application relates to a binaural hearing assistance system comprising first and second hearing assistance devices adapted for being located at or in left and right ears of a user. The application further relates to a method of operating a binaural hearing assistance system. The object of the present application is to provide an improved binaural hearing assistance system. The problem is solved in that each of the first and second hearing assistance devices comprises a) a first wireless interface comprising first antenna and transceiver circuitry adapted for establishing a first communication link to the respective other hearing assistance device based on near-field communication; b) a second wireless interface comprising second antenna and transceiver circuitry adapted for establishing a second communication link to an auxiliary device based on far-field communication; c) a link control unit operatively coupled to the second antenna and transceiver circuitry and configured to repeatedly provide a second link quality measure indicative of a link quality of the second communication link; wherein the first and second hearing assistance devices are configured to exchange said respective second link quality measures between them via said first and/or second communication links. This has the advantage of providing a robust and flexible system. The invention may e.g. be used for binaural hearing assistance systems, e.g. binaural hearing aid systems, where audio quality and power consumption has to be mutually optimized. | 05-07-2015 |
20150124975 | BINAURAL HEARING ASSISTANCE SYSTEM COMPRISING A DATABASE OF HEAD RELATED TRANSFER FUNCTIONS - The application relates to a binaural hearing assistance system comprising left and right hearing assistance devices adapted for being located at or in a left and right ear, respectively, of a user, each of the left and right hearing assistance devices comprising a) an input unit for providing one or more electric input signals based on one or more input sounds of a sound field surrounding the binaural hearing assistance system; b) a source separation unit for separating and localizing one or more sound sources S | 05-07-2015 |
20150110310 | METHOD FOR REPRODUCING AN ACOUSTICAL SOUND FIELD - The application relates to a method of reproducing an acoustical sound field to a listener at a first location, to a method of testing a hearing assistance system, and to a hearing assistance test system. The method comprises 1) Determining a transfer function from each loudspeaker unit of the loudspeaker array to all microphone units of the microphone array, thereby providing a set of transfer functions; 2) Inverting the set of transfer functions and determining a system of optimal filters; 3) Placing the microphone array in a possible, intended position of the listener's head in a particular sound scene at a second location and recording sound of the particular sound scene at the second location; 4) Determining the loudspeaker signals of the particular sound scene configured to be played to the listener at the first location by the loudspeaker array by convolving the inverted system of optimal filters with the recorded signals. | 04-23-2015 |
20150078600 | HEARING ASSISTANCE DEVICE COMPRISING AN INPUT TRANSDUCER SYSTEM - The application relates to a hearing assistance device (HAD) comprising (a) an input transducer system comprising (a1) an audio input transducer (AIT), and (a2) a first supplementary input transducer (SIT | 03-19-2015 |
20150078599 | HEARING AID DEVICE WITH INTEGRATED ANTENNA - A hearing aid device configured to communicate wirelessly with an external device is disclosed. The hearing aid device comprises a housing with a microphone, an amplifier, where the hearing aid device comprises an antenna and either: a) a tube configured to deliver sound acoustically from a receiver in the housing to an ear mould or a dome or electrically to a receiver in an ear mould or a dome or b) a hook configured to deliver sound acoustically from a receiver in the housing to an ear mould or a dome. The antenna extends along at least a portion of the tube or the hook. | 03-19-2015 |
20150049892 | EXTERNAL MICROPHONE ARRAY AND HEARING AID USING IT - An external microphone array is configured to be used with a hearing aid and comprises a number of microphones configured to detect one or more sound signals from a sound source and means for wirelessly sending the detected sound signal to at least one hearing aid. The external microphone array comprises means for automatically determining the direction of the sound source either by: a) receiving a wireless signal transmitted from a remote control; b) by receiving acoustic signals picked up by the hearing aid(s) and by further comparing the signals with signals received by the external microphone array. The external microphone array may e.g. take the form of a sphere, a hemi-sphere or a neckband. | 02-19-2015 |
20150010161 | ADAPTER FOR REAL EAR MEASUREMENTS - An adapter configured to connect to a probe tube for calibrating a hearing aid device is disclosed. The adapter comprises a tubular pipe member and an opening through which the adapter is adapted to receive the probe tube. The adapter comprises an input member configured to connect to a connection member for providing fluid communication between the probe tube and the connection member through the adapter. An outer diameter of the probe tube is 5-20%, preferably 8-15% smaller than an inner diameter of the cylindrical space of the pipe member and that length of the cylindrical space of the pipe member is at least five times, preferably at least ten times larger than the outer diameter of the probe tube. Hereby it is achieved that a long narrow gab can be provided between probe tube and the pipe member of the adapter so that a sufficient acoustic seal can be accomplished. | 01-08-2015 |
20140376756 | EAR STRAP FOR A PROBE TUBE - An ear strap is disclosed. The ear strap comprises attachment means configured to be attached to a tube. The ear strap has a flexible member configured to be placed within the concha of the ear and to be held in place by the concha of the ear. The flexible member is configured to take a form that fits the shape of the concha of the ear. The ear strap comprises means for adjusting the position of the tube relative to the attachment means. | 12-25-2014 |
20140321682 | HEARING ASSISTANCE DEVICE WITH A LOW-POWER MODE - A portable hearing assistance device comprises an input unit, an output unit, a forward path between the input unit and the output unit, and an energy source for energizing components of the hearing assistance device. The hearing assistance device further comprises a control unit to control activation (or deactivation) of a low-power mode of operation of the hearing assistance device. When the low-power mode is activated—the draw of current from said energy source is reduced compared to a normal mode of operation of the device, the activation (or deactivation) being influenced by a combination of at least two different control input signals to the control unit, each control input signal being a signal selected from 1) signals relating to current physical environment, 2) signals relating to current acoustic environment, 3) signals relating to current wearer state, and 4) signals relating to current state or operation mode. | 10-30-2014 |
20140254845 | Listening Device With a Rechargeable Energy Source Adapted for Being Charged Through an Ite-Unit, or a Connector Connectable to, or a Connector of, a Bte-Unit - A listening device including an ITE part adapted for being located in an ear canal of a user and a BTE part adapted for being located behind an ear of the user, the ITE and BTE parts being at least mechanically connected by a connecting element, the listening device including a rechargeable energy source and electric charge terminals for allowing the charging of the rechargeable energy source when electrically connected to charging terminals of a charging station, wherein the electric charging terminals of the listening device are located: in or on the ITE part; in or on the connecting element; in an electrical connector of the connecting element connectable to the BTE part; or in an electrical connector of the BTE part connectable to the electrical connector of the connecting element, wherein the ITE part includes a receiver, wherein the BTE part includes a hermetically closed outer housing. | 09-11-2014 |
20140219474 | METHOD OF REDUCING UN-CORRELATED NOISE IN AN AUDIO PROCESSING DEVICE - An audio processing device comprises a multitude of electric input signals, each electric input signal being provided in a digitized form, and a control unit receiving said digitized electric input signals and providing a resulting enhanced signal. The control unit is configured to determine the resulting enhanced signal from said digitized electric input signals, or signals derived therefrom, according to a predefined scheme. | 08-07-2014 |
20140205121 | HEARING DEVICE WITH TWO OR MORE MICROPHONES AND TWO OR MORE RESONATORS HAVING DIFFERENT LENGTHS AND THE SAME RESONANT FREQUENCY - The invention regards a hearing device with two or more microphone units each having a conduit leading from a respective sound inlet in the hearing-device housing to a respective transducer, wherein the lengths of the conduits may differ without causing a difference in the frequency characteristics of the microphone units and wherein ultrasonic frequencies may be dampened, while at the same time providing higher freedom in the physical layout of the hearing device. This is achieved in that each conduit comprises a chamber and a pipe forming a resonator, and in that the frequencies of resonance (f1, f2) of the resonators are equal. | 07-24-2014 |
20140193013 | HEARING AID WITH AN IN-THE-EAR COMPONENT - According to the invention, a receiver-in-the-ear (RITE) hearing aid with an in-the-ear component is proposed, wherein the in-the-ear component has a customized shell fitted to an individual user's ear canal geometry and a receiver placed in the shell, and wherein the receiver is connected to a further hearing aid component by means of a lead connection. The in-the-ear component comprises a face plate connected to the shell. The face plate is arranged on a side of the hearing aid component that faces away from a tympanic membrane when in use. The face plate comprises a cable feedthrough that is attached to the face plate and that is covered by a cover plate. | 07-10-2014 |
20140193012 | HEARING AID COMPONENT WITH EARWAX FILTER - A hearing aid component with earwax filter is provided, wherein the hearing aid component has a sound inlet opening that has at least two sound inlet portions having different diameters and being displaced with respect to each other in a longitudinal direction of the sound inlet opening so that the sound inlet opening narrows towards the interior of the hearing aid component so that more proximal sound inlet portion has a relatively larger diameter and more distal sound inlet portion has a relatively smaller diameter. The earwax filter is placed in said sound inlet opening and comprises: a cap with an outward-facing and an inward-facing side, and a peripheral edge, said peripheral edge being force-fitted into the sound inlet portion with the relatively larger diameter. The cap has a plurality of sound inlets arranged along the periphery of the cap wherein the sound inlets are arranged along a perimeter of the cap. | 07-10-2014 |
20140177868 | AUDIO PROCESSING DEVICE COMPRISING ARTIFACT REDUCTION - An audio processing device comprises a forward path comprising an input unit for delivering a time varying electric input signal representing an audio signal, the electric input signal comprising a target signal part and a noise signal part, a signal processing unit for processing said electric input signal and providing a processed signal, and an output unit for delivering an output signal based on said processed signal. An audio processing device comprises an analysis path comprising a model unit comprising a perceptive model of the human auditory system and providing an audibility measure, an artifact identification unit for identifying an artifact introduced into the processed signal by the processing algorithm and providing an artifact identification measure, and a gain control unit for controlling a gain applied to a signal of the forward path. | 06-26-2014 |
20140169604 | HEARING AID WITH ANTENNA FOR RECEPTION AND TRANSMISSION OF ELECTROMAGNETIC SIGNALS - The invention regards a communication device which is adapted for placement in a users ear. The communication device comprises a shell part enclosing an input transducer for receiving an input signal, a signal processing device and an output N transducer for providing a signal perceivable as sound, a battery located at a surface part of the shell which is facing away from the head of the user, a transmission and reception circuit for transmission and/or reception of electromagnetic energy. According to the invention an antenna for radiating and/or receiving electromagnetic energy is provided such that it has a first surface turned towards the surroundings and a second surface located in close proximity of the battery. | 06-19-2014 |
20140169601 | HEARING INSTRUMENT - An audio system includes a headset and a portable computing device. The headset includes a first speaker and a first microphone, a second speaker, a second microphone and a processing unit. The first microphone and the second microphone output a first signal and a second signal, respectively. The processing unit combines the first electrical signal and the second electrical signal into a third electrical signal, and communicates the third electrical signal to a portable computing device through an output channel. The portable computing device preferably includes an application that separates the third electrical signal into the first electrical signal and the second electrical signal. The application compensates the first electrical signal and the second electrical signal for a hearing loss of an individual. | 06-19-2014 |
20140169596 | CONFIGURABLE HEARING INSTRUMENT - A system for operating a hearing instrument is disclosed. The system comprises one or more electrodes for measuring the brain wave signals of a user wearing a hearing instrument. The electrodes are placed on the scalp of the user. Based on the measured brain wave signals, a detecting unit is configured to detect a relaxation state of the hearing instrument. A controller sets the hearing instrument to a relaxation mode setting in response to the detection of the relaxation state of the user. | 06-19-2014 |
20140146987 | LISTENING DEVICE COMPRISING AN INTERFACE TO SIGNAL COMMUNICATION QUALITY AND/OR WEARER LOAD TO WEARER AND/OR SURROUNDINGS - A listening device processes an electric input sound signal and provides an output stimulus perceivable to a wearer of the listening device as sound, the listening device comprising a signal processing unit for processing an information signal originating from the electric input sound signal and to provide a processed output signal forming the basis for generating said output stimulus. A perception unit establishes a perception measure indicative of the wearer's present ability to perceive said information signal. A signal interface communicates the perception measure to another person or device. | 05-29-2014 |
20140146977 | METHOD OF CONTROLLING AN UPDATE ALGORITHM OF AN ADAPTIVE FEEDBACK ESTIMATION SYSTEM AND A DECORRELATION UNIT - An audio processing device comprises a feedback estimation system for estimating feedback from an output transducer to an input transducer, the feedback estimation system comprising an adaptive filter comprising a variable filter part for filtering an input signal according to variable filter coefficients and an algorithm part comprising an adaptive algorithm for dynamically updating filter coefficients, a control unit for controlling the de-correlation unit and the adaptive algorithm, and a correlation detection unit for determining a) the auto-correlation of a signal of the forward path and providing an AC-value and/or b) the cross-correlation between two different signals of the forward path and providing an XC-value. | 05-29-2014 |
20140145761 | LOW-POWER DUAL-EDGE-TRIGGERED STORAGE CELL WITH SCAN TEST SUPPORT AND CLOCK GATING CIRCUIT THEREFORE - A storage cell having a pulse generator and a storage element is proposed. The storage element input is connected to receive a data input signal. The storage element output is connected to provide a data output signal. The storage element is operable in one of a data retention state and a data transfer state in response to a storage control signal received from the pulse generator. The pulse generator is connected to receive a clock signal with rising and falling clock signal edges and is adapted to provide control pulses in the storage control signal. Each control pulse has a leading edge and a trailing edge. The control pulses have a polarity suited to invoke the data transfer state on their leading edges. The novel feature is that the pulse generator is adapted to initiate a rising-edge control pulse when receiving a rising clock signal edge and to initiate a falling-edge control pulse when receiving a falling clock signal edge. In this way, a dual-edge-triggered flip-flop may be made using only combinatorial logic circuitry and one level- or single-edge-triggered storage element. The storage cell has low power consumption, facilitates scan testing and can be used by existing design tools and test equipment. | 05-29-2014 |
20140126759 | BODY-WORN CONTROL APPARATUS FOR HEARING DEVICES - A control apparatus comprises a housing and is adapted to control a hearing device by recognising predefined gestures made by the device wearer by moving one arm and/or or hand relative to the housing when the housing is in an operating position at or on the wearer's body. The housing comprises a reference electrode coupled capacitively to the wearer when the housing is in the operating position and a first sensor electrode. The control apparatus further comprises: a first signal generator to provide a first electric probe signal between the first sensor electrode and the reference electrode; a first measurement circuit to determine first signal values in dependence on the impedance between the first sensor electrode and the reference electrode; a detector to recognise gestures in dependence on the first signal values; and a control unit to provide control commands to the hearing device in dependence on recognised gestures. | 05-08-2014 |
20140105437 | MINIATURE SPEAKER AND SPEAKER CABINET AND HEARING AID - A miniature speaker and speaker cabinet are provided, wherein the speaker is enclosed in an oblong capsule with a sound output opening at one end and leads passing from a speaker coil inside the capsule to connection points externally on the capsule, and where the cabinet encloses the capsule and at one end thereof comprise a lead input opening with leads passing there through to the connection points on the capsule, and where the cabinet further comprise a sound exit opening opposite the lead input opening, which is in fluid communication with the sound output opening of the capsule, wherein the cabinet has an internal space surpassing external measures of the capsule in all directions defining a gap between the capsule and cabinet wherein the thus defined gab is filled out with a hardening silicone. | 04-17-2014 |
20140098981 | HEARING DEVICE WITH BRAINWAVE DEPENDENT AUDIO PROCESSING - A hearing device is adapted to be arranged on or at least partly implanted in an individual's head and comprises: an input unit providing an input audio signal; a signal processing circuit adapted to process the input audio signal; an output unit adapted to provide an audible signal to the individual; one or more electrodes adapted to detect electric brain potentials of the individual; and a brainwave measurement circuit adapted to determine one or more EEG signals from electric signals received from the one or more electrodes. The hearing device further comprises: a first spectrum analyser determining first audio spectra; a reconstructor adapted to repeatedly reconstruct second audio spectra; a first correlator to determine coherence between the first and the second audio spectra; and a control unit adapted to alter said processing in dependence on the coherence. | 04-10-2014 |
20140085152 | STATIONARY COMMUNICATION DEVICE COMPRISING AN ANTENNA - The application relates to a stationary communication device comprising a housing and an antenna and a transceiver unit operationally coupled to the antenna, the housing being adapted for assuming a specific orientation relative to the surface of the earth when placed in an operational state. The application further relates to a communication system. The object of the present application is to provide a stationary communication device with an antenna that facilitates wireless communication to a portable communication device. The problem is solved in that the antenna is vertically polarized. An advantage of the disclosure is that a stationary wireless communication device with a small height can be implemented. The invention may e.g. be used for the hearing aids, headsets, ear phones, active ear protection systems, handsfree telephone systems, mobile telephones, and accessories to such devices. | 03-27-2014 |
20140072157 | MAGNETIC CONNECTOR - Acoustic duct connector for an acoustic duct of the type being used for real ear measurements, the acoustic duct connector comprising a first surface portion and a first acoustic duct exiting from said first surface portion, and comprising a first magnetical component for engaging to a second magnetical component comprised by a receiving connector such, that an airborne sound signal can propagate from the first acoustic duct to a second acoustic duct exiting from a second surface portion of the receiving connector when the acoustic duct connector and the receiving connector are connected to each other. | 03-13-2014 |
20140056435 | NOISE ESTIMATION FOR USE WITH NOISE REDUCTION AND ECHO CANCELLATION IN PERSONAL COMMUNICATION - A method comprises processing M subband communication signals and N target-cancelled signals in each subband with a set of beamformer coefficients to obtain an inverse target-cancelled covariance matrix of order N in each band; using a target absence signal to obtain an initial estimate of the noise power in a beamformer output signal averaged over recent frames with target absence in each subband; multiplying the initial noise estimate with a noise correction factor to obtain a refined estimate of the power of the beamformer output noise signal component in each subband; processing the refined estimate with the magnitude of the beamformer output to obtain a postfilter gain value in each subband; processing the beamformer output signal with the postfilter gain value to obtain a postfilter output signal in each subband; and processing the postfilter output subband signals to obtain an enhanced beamformed output signal. | 02-27-2014 |
20130315425 | HEARING DEVICE WITH EXTERNAL ELECTRODE - A hearing device has a housing and a first electrode arranged to abut the skin of the individual. The hearing device further comprises at least two different elements selected from the group comprising: a brain-wave measurement circuit receiving measurement signals from the first electrode and from a second electrode arranged to abut the skin of the individual; a communication circuit receiving communication signals from and/or transmitting communication signals to the first electrode; a touch-sensing circuit transmitting sensing signals to the first electrode; a thermoelectric generator thermally connected to the outer surface of the housing mainly through the first electrode; and a charge control circuit sinking a charging current in dependence on a voltage across the first electrode and a third electrode. | 11-28-2013 |
20130304459 | METHODS AND APPARATUS FOR PROCESSING AUDIO SIGNALS - A method for processing an audio signal (i(t)), comprises: receiving a first set (x(t)) of time-varying signals representing a first sound comprised in the audio signal (i(t)), the first set (x(t)) of time-varying signals comprising an amplitude modulation signal (a(t)), a carrier frequency signal (f | 11-14-2013 |
20130294610 | METHOD OF FITTING A HEARING DEVICE - The invention relates to a method for determining an estimated transfer function of an acoustic feedback path during fitting of a hearing device, which receives acoustic signals from an individual's surroundings, modifies the acoustic signals electronically and transmits the modified acoustic signals into the individual's ear or ear canal. In order to save resources in the hearing device, the hearing device reuses a start-up jingle for determining an estimated transfer function during a fitting session upon reception of a predefined message from a fitting apparatus. | 11-07-2013 |
20130259280 | EARWAX FILTER, HANDING TOOL AND DISPENSER FOR SUCH FILTER - A transducer protection comprises a top cap, a stem extending from the top cap and having a distal end and a seal at the stem distal ends. The top cap has an outward facing and an inward facing side, the inward facing side facing the hearing aid, when in use. The stem protrudes into an opening of a hearing aid component to be protected, when in use. The stem's proximal end is connected to the top cap at the top caps inward facing side. The protection has an outward facing contour that is adapted to match an inner wall of the hearing aid component's opening so that the outer contour of the seal contacts the inner wall of the opening, when in use. Within the seal, at least one sound opening is provided that is surrounded by the seal. | 10-03-2013 |
20130251165 | TEST DEVICE FOR A SPEAKER MODULE FOR A LISTENING DEVICE - The application relates to a test device for a speaker module of a listening device, the speaker module comprising a speaker unit for converting an electric output signal to an output sound. The application further relates to a test system and to a data update device. An object of the present application is to provide an alternative scheme for identifying a receiver (speaker) in a listening device, e.g. a hearing aid. The problem is solved in that the test device being a separate device adapted for being electrically connected to the speaker module in a test situation, but not during normal operation of the listening device. An advantage of the invention is that it provides a flexible alternative to a receiver identification solution that is integrated into the listening device. | 09-26-2013 |
20130216077 | HEARING AID WITH COVER AND PROGRAMMING SOCKET - A hearing aid with a housing holding a microphone, a battery, a programmable signal processing device capable of delivering an output signal is provided whereby the output signal drives an output transducer of the hearing aid to serve a stimulus on the hearing aid user perceivable as sound. The hearing aid housing further holds a socket adapted for receiving a programming connection in order to connect the programmable signal processing device to an external programming device, and a switch adapted to be operated by the hearing aid user, and a cover arranged above the socket and switch and pivotally linked to the hearing aid. Preferably an intermediate link is provided and adapted to interlink the hearing aid with the cover. | 08-22-2013 |
20130196105 | DOUBLE SIDES ADHESIVE FOIL - A double sided adhesive foil is provided which comprises a flexible foil with an outline and which is sticky on two opposed sides, and has first and second removable liners adhered to and covering the sticky sides having each their pealing release force to the adhesive foil, where the second liner comprises a circumference with a tap portion which extends beyond the boundaries of the double sided adhesive foil, and is adapted for gripping between a users fingers. The release peeling force between the adhesive foil and the second liner is higher than the release pealing force between the adhesive foil and the first liner. | 08-01-2013 |
20130188796 | METHOD OF IMPROVING A LONG TERM FEEDBACK PATH ESTIMATE IN A LISTENING DEVICE - A method provides a long term feedback path estimate of a listening device. The method comprises a) providing an estimate of the current feedback path; b) providing a number of detectors of parameters or properties of the acoustic environment of the listening device and/or of a signal of the listening device, each detector providing one or more detector signals; c) providing a criterion for deciding whether an estimate of the current feedback path is reliable based on said detector signals; d) storing said estimate of the current feedback path, if said criterion IS fulfilled and neglecting said estimate of the current feedback path, if said criterion is NOT fulfilled; e) providing a long term estimate of the feedback path based on said stored estimate(s) of the current feedback path. | 07-25-2013 |
20130170660 | LISTENING DEVICE AND A METHOD OF MONITORING THE FITTING OF AN EAR MOULD OF A LISTENING DEVICE - A method detects whether an ear mould of a listening device is correctly mounted in the ear of a user. An indication of whether or not a mould of a listening device is correctly mounted in an ear canal of a user is provided. The method comprises a) providing a long term estimate of the feedback path; b) providing an estimate of the current feedback path; c) comparing the long term feedback path estimate with the current feedback path estimate, and providing a measure of their difference, termed the feedback difference measure FBDM; and optionally d) providing an alarm indication, if the feedback difference measure exceeds a predefined threshold. | 07-04-2013 |
20130158691 | VOICE RECORDER FOR USE WITH A HEARING DEVICE - Voice recorder for use with a hearing device, wherein the voice recorder comprises a microphone for capturing an audio signal, a circular buffer adapted to continuously buffer the most recent portion of said audio signal as a sound snippet of a predefined duration, an input device to be operated by a user of the hearing device and a saving means adapted to save into a memory the sound snippet momentarily held in the circular buffer upon operation of the input device. | 06-20-2013 |
20130157573 | MOBILE BLUETOOTH DEVICE - A wireless communication system comprises a mobile Bluetooth device, first and second Bluetooth terminals, the mobile Bluetooth device comprising a memory and a controller performing a first pairing process with the first Bluetooth terminal as a result of which identical first link keys are stored in the mobile Bluetooth device and in the first Bluetooth terminal, the controller further performing a second pairing process with the second Bluetooth terminal such that identical second link keys are stored in the mobile Bluetooth device and in the second Bluetooth terminal. The controller stores in the memory a first location, a first vicinity and/or a first transmit power indication of the first Bluetooth terminal when performing the first pairing process and to store in the memory a second location, a second vicinity and/or a second transmit power indication of the second Bluetooth terminal when performing the second pairing process. | 06-20-2013 |
20130148831 | CONFIGURABLE FM RECEIVER FOR HEARING DEVICE - Hearing system comprising a hearing device and an FM receiver, the FM receiver being adapted to be operationally connected to the hearing device and to communicate wirelessly with an FM transmitter on an FM channel, the hearing device comprising memory storing configuration data indicating the FM channel and transferring means for transferring the stored configuration data to the FM receiver, the hearing system further comprising a configurator adapted to configure the FM receiver to use the indicated FM channel for communicating wirelessly with the FM transmitter. The hearing system further comprises a detector adapted to detect whether the FM receiver is operationally connected to the hearing device, and the transferring means further is adapted to transfer the stored configuration data to the FM receiver in response to the FM receiver going from not being operationally connected to being operationally connected to the hearing device. | 06-13-2013 |
20130137387 | RF TRANSMITTER FOR ELECTRICALLY SHORT ANTENNA - An RF transmitter comprises a capacitive energy storage, an output stage and a switching circuit with an open state and a closed state. The capacitive energy storage forms with the antenna when connected thereto a resonance circuit with a resonance frequency and a quality factor. The output stage provides an electric transmission signal to the resonance circuit. The switching circuit comprises a first transistor for switching between the open state and the closed state and is connected to an antenna output terminal through a capacitance formed by the capacitive energy storage such that the maximum signal voltage occurring across the switching circuit in its open state is lower than the maximum signal voltage occurring across the antenna output terminals. The transmitter is adapted to alter the quality factor by changing the series resistance of the switching circuit in its closed state. | 05-30-2013 |
20130136286 | ELECTRICAL WIRE CONNECTOR, METHOD FOR PRODUCING AN ELECTRICAL WIRE CONNECTOR AND HEARING AID - An electrical wire connector adapted to establish galvanic contact between a first device and a second device is provided where the connector wire includes: an outer tube of soft bendable material, and a plug at least at a first end of the wire connector facilitating galvanic contact with the first device, where the plug includes a housing which is mechanically coupled to the tube and surrounds at least an end portion of the tube, wherein further the tension relief fibre is coupled to the housing of the plug and/or to the end portion of the tube. | 05-30-2013 |
20130129130 | EAR DOCKING STATION FOR HEARING AIDS - Hearing aid fixture adapted to remain firmly and completely within an external ear canal of a user allowing for an acoustically active part of a hearing aid to be releasably fastened thereto. | 05-23-2013 |
20130121519 | HEARING AID RETAINER ACCESSORY - A hearing aid retainer accessory to be used together with a hearing aid is provided having a housing with a relatively large diameter longitudinal end face portion and a relatively smaller diameter hook-end to which a hook is attached. The hearing aid retainer accessory comprises an elongated string with a first end portion and a second portion, a first attaching means connected to the first end portion and a second attaching means connected to the second portion, wherein the first attaching means is attachable to a hook of a hearing aid, the second attaching means is attachable to a longitudinal end face portion of a housing of a hearing aid, such that a retaining ring is formed of both the geometry of a hearing aid and the elongated string. | 05-16-2013 |
20130101148 | HEARING AID RETAINER ACCESSORY - A hearing aid retainer accessory for use with a hearing aid that comprises a battery compartment to be fitted with a battery drawer, wherein the hearing aid retainer accessory comprises a retainer portion with a connection section that is adapted to be engaged with a hearing aid via a battery drawer. | 04-25-2013 |
20130101128 | AUTOMATIC REAL-TIME HEARING AID FITTING BASED ON AUDITORY EVOKED POTENTIALS - A hearing aid includes at least one electrode located at a surface of a housing of the hearing aid to allow the electrodes to contact the skin of a user during use of the hearing aid, at least one electrode being adapted to pick up a low voltage signal from the user's brain, an amplifier unit operationally connected to the electrode(s) and adapted for amplifying the low voltage signal(s) to provide amplified brain signal(s), and a signal processing unit adapted to process the amplified brain signal(s) to provide a processed brain signal as well as to apply a time and frequency dependent gain to an input audio signal and to provide a processed audio output signal. Also a method of operating a hearing aid and a hearing aid system. | 04-25-2013 |
20130094683 | LISTENING SYSTEM ADAPTED FOR REAL-TIME COMMUNICATION PROVIDING SPATIAL INFORMATION IN AN AUDIO STREAM - A binaural listening system comprises first and second listening devices adapted for being located at or in left and right ears, respectively, of a user, the binaural listening system being adapted for receiving a wirelessly transmitted signal comprising a target signal and an acoustically propagated signal comprising the target signal as modified by respective first and second acoustic propagation paths from an audio source to the first and second listening devices. Spatial information is provided to an audio signal streamed to a pair of listening devices of a binaural listening system. The first and second listening devices each comprise an alignment unit for aligning the first and second streamed target audio signals with the first and second propagated electric signals in the first and second listening devices, respectively, to provide first and second aligned streamed target audio signals in the first and second listening devices, respectively. | 04-18-2013 |
20130090074 | RF TRANSMITTER FOR ELECTRICALLY SHORT ANTENNA - A synthetic-frequency RF transmitter is provided for transmitting an electromagnetic signal via an electrically short antenna. The transmitter comprises a reactive energy storage with an effective reactance adapted to form with the antenna a resonance circuit with a resonance frequency and a driver adapted to provide to the resonance circuit an electric transmission signal having an instantaneous frequency that varies in dependence on an information signal. The transmitter is characterised in that the transmitter is adapted to dynamically change the resonance frequency by changing the effective reactance in dependence on the information signal. Thus, the instantaneous pass-band of the resonance circuit may be controlled to substantially always comprise the instantaneous frequency of the electric transmission signal and thus of the electromagnetic signal. | 04-11-2013 |
20130070936 | CONTROL OF AN ADAPTIVE FEEDBACK CANCELLATION SYSTEM BASED ON PROBE SIGNAL INJECTION - Method and audio processing system determine a system parameter sp in a gain loop of an audio processing system. An alternative scheme is provided for feedback estimation in a multi-microphone audio processing system comprising an injected probe signal. The problem is solved in that a) an expression of an approximation of the expected square of the stationary loop gain, LG | 03-21-2013 |
20130044889 | CONTROL OF OUTPUT MODULATION IN A HEARING INSTRUMENT - The present invention relates to a listening device for a hearing impaired person. The present invention furthermore relates to a corresponding operating method of operating a listening device and to a corresponding computer program. In particular, the present invention relates to a listening device that comprises a signal processing unit that is controlled by a controller configured to implement a combined feed-forward and feed-back control in order to ensure that both an electric input signal and a processed electric output signal have at least almost identical modulation index values. Thereby, speech intelligibility is increased, in particular for a hearing impaired person being capable of perceiving sound pressure levels in a substantially decreased dynamic range. | 02-21-2013 |
20130029624 | METHOD OF DIMINISHING THE MINIMUM RANGE OF OPERATION OF A COMMUNICATION LINK - A portable electronic device comprises a wireless receiver unit for receiving a wireless signal from a transmitting device, the wireless receiver unit comprising an antenna receiving an electromagnetic signal and providing a received electric input signal, and a receiver providing a recovered electric signal from the received electric input signal, and an impedance matching circuit matching the electric impedance of the antenna to the receiver, the receiver comprising a gain stage comprising an Automatic Gain Control unit automatically determining an AGC-gain value for application to an AGC-input signal to provide an appropriate signal level when the level of said AGC input signal is in a range between a minimum and a maximum signal level corresponding to maximum and minimum AGC-gain values, respectively. The portable device further comprises a control unit receiving the AGC-gain value and providing a control signal depending on said AGC-gain value to the impedance matching circuit. | 01-31-2013 |
20130028453 | HEARING AID ALGORITHMS - The invention relates to a method of operating an audio processing device. The invention further relates to an audio processing device, to a software program and to a medium having instructions stored thereon. The object of the present invention is to provide improvements in the processing of sounds in listening devices. The problem is solved by a method comprising a) receiving an electric input signal representing an audio signal; b) providing an event-control parameter indicative of changes related to the electric input signal and for controlling the processing of the electric input signal; c) storing a representation of the electric input signal or a part thereof; d) providing a processed electric output signal with a configurable delay based on the stored representation of the electric input signal or a part thereof and controlled by the event-control parameter. The invention may e.g. be used in hearing instruments, headphones or headsets or active ear plugs. | 01-31-2013 |
20120308060 | DIMINISHING TINNITUS LOUDNESS BY HEARING INSTRUMENT TREATMENT - A listening device comprises an input transducer providing an electric input signal comprising audio and a detector coupled to the input transducer, for determining whether the electric input signal is a broadband signal or not and providing a detection signal in response. The listening device furthermore comprises a controllable filter for filtering the electric input signal being coupled to the detector and the input transducer and for outputting a filtered electric input signal such that a component of the electric input signal in the tinnitus frequency range is dampened, if the detection signal indicates that the electric input signal is a broadband signal, and outputting an unfiltered electric input signal such that a component of the electric input signal in the tinnitus frequency range is not dampened, if the detection signal indicates that the electric input signal is not a broadband signal. | 12-06-2012 |
20120281864 | BEHIND THE EAR HEARING AID WITH RECEIVER IN THE EAR - A behind the ear hearing aid is provided with a casing part comprising electronics adapted for signal processing where the casing is adapted for placing behind the ear of a user and a speaker is provided in or near the ear canal and leads are arranged between the speaker and the casing part. A plug and socket electrical and mechanical interconnection is arranged between the leads and the electronics inside the casing and the mutual motion between the plug and socket parts for establishing connection is in a direction essentially off axis to the axis of the leads at the casing part. | 11-08-2012 |
20120281843 | RECEIVER AND METHOD FOR RETRIEVING AN INFORMATION SIGNAL FROM A MAGNETIC INDUCTION SIGNAL - A receiving antenna circuit is arranged in a reactive near-field of a modulated magnetic induction signal and forms a narrow band-pass filter. The output of the antenna circuit is not subjected to any frequency translation prior to digitising, and the signal may nevertheless be digitised with low resolution, which radically reduces the power consumption of the receiving circuits. The reduction in power consumption is of several orders of magnitude, which allows implementation of such receiving circuits in battery-driven devices such as hearing devices without substantially affecting the battery life. | 11-08-2012 |
20120275628 | SYSTEM COMPRISING A PORTABLE ELECTRONIC DEVICE WITH A TIME FUNCTION - A portable electronic device and an auxiliary device each having an interface allowing the establishment of a communication link between them, at least to be able to transmit data representative of a status information from the auxiliary device to the portable electronic device, and-a method of of establishing a measure of an absolute elapsed time in a listening device. The problem is solved in that the portable electronic device has a timing unit for determining a time interval and a memory for storing data, and wherein the auxiliary device has a master timing unit for providing a signal representative of the present time, and wherein the system is adapted to transfer a signal representative of the present time from the auxiliary device to the portable electronic device and to store it in the memory. | 11-01-2012 |
20120263330 | HEARING DEVICE WITH TWO OR MORE MICROPHONES - The invention regards a hearing device with two or more microphone units each having a conduit leading from a respective sound inlet in the hearing-device housing to a respective transducer, wherein the lengths of the conduits may differ without causing a difference in the frequency characteristics of the microphone units and wherein ultrasonic frequencies may be dampened, while at the same time providing higher freedom in the physical layout of the hearing device. This is achieved in that each conduit comprises a chamber and a pipe forming a resonator, and in that the frequencies of resonance (f | 10-18-2012 |
20120263329 | HEARING DEVICE WITH AUTOMATIC CLIPPING PREVENTION AND CORRESPONDING METHOD - In digital hearing devices, it is common to reduce the preamplifier gain when very loud signals are received in order to avoid clipping. It is known to temporarily reduce the preamplifier gain with fast attack and release times when a clipping of the input signal in the digitiser is expected. Perceived signal quality of the audible signal provided to the user of the hearing device is herein improved by simultaneously providing relatively fast and relatively slow temporary reductions of the amplifier gain such that the slow gain reductions reduce the occurrences of fast gain reductions. This allows the hearing device to provide a high quality sound to the user where clipping is reduced due to the fast gain reductions and where signal artefacts, such as pumping and switching noise, produced by the fast gain reductions is reduced due to the slow gain reductions. | 10-18-2012 |
20120243715 | AUDIO PROCESSING DEVICE, SYSTEM, USE AND METHOD - An audio processing device includes a) an input unit for converting a time domain input signal to a number N | 09-27-2012 |
20120169454 | LISTENING SYSTEM COMPRISING AN ALERTING DEVICE AND A LISTENING DEVICE - A listening system that eases the acknowledgement of ‘alarm signals’, as e.g. issued by alarm indicators, in the environment of a user in difficult listening situations. The listening system is adapted to issue specific ALARM mode signals to the user corresponding to said external alarm signals, when said listening system is in an ALARM mode. An advantage of the present system is that a user is able to take notice of alarms from normal indicators even in case of a hearing impairment and/or when located in a noisy environment. The system may e.g. be used for the hearing instruments, ear protection devices, earphones, headsets or combinations thereof. | 07-05-2012 |
20120148077 | METHOD FOR OPERATING A HEARING SYSTEM, HEARING SYSTEM AND AUDIO GATEWAY DEVICES - A body-worn audio gateway device transmitting audio signals comprised in close-range electromagnetic signals may be used outside a car, where it may provide for hands-free mobile telephony and listening to music streamed directly to hearing devices worn by a user. When the user enters the car, he or she may want to use a corresponding in-car audio gateway device for the same purposes. This typically requires manual interaction e.g. to trigger the switch-over and to maintain hands-free operation of a carried mobile phone. Furthermore, the audio gateway devices may disturb each other, which may lead to malfunction, more troublesome interaction and/or reduced audio quality. To overcome this, the invention foresees means for detecting when the user enters and/or leaves the car and for automatically disabling functions of the first audio gateway device when the user is in the car. | 06-14-2012 |
20120140965 | ADAPTIVE FEEDBACK CANCELLATION BASED ON INSERTED AND/OR INTRINSIC CHARACTERISTICS AND MATCHED RETRIEVAL - The invention relates to an audio processing system for processing an input sound to an output sound. The invention further relates to a method of estimating a feedback transfer function in an audio processing system. The object of the present invention is to provide an alternative scheme for minimizing feedback in audio processing systems. The problem is solved in that the audio processing system comprises an input transducer for converting an input sound to an electric input signal and defining an input side, an output transducer for converting a processed electric output signal to an output sound and defining an output side, a forward path being defined between the input transducer and the output transducer, and comprising a signal processing unit adapted for processing an SPU-input signal originating from the electric input signal and to provide a processed SPU-output signal, and an electric feedback loop from the output side to the input side comprising a feedback path estimation unit for estimating an acoustic feedback transfer function from the output transducer to the input transducer, and a enhancement unit for estimating noise-like signal components in the electric signal of the forward path and providing a noise signal estimate output, wherein the feedback path estimation unit is adapted to use the noise signal estimate output in the estimation of the acoustic feedback transfer function. This has the advantage of providing an adaptive feedback cancellation system which is robust in situations with a high degree of correlation between the output signal and the input signal of an audio processing system, e.g. a listening device. The invention may e.g. be used in public address systems, entertainment systems, hearing aids, head sets, mobile phones, wearable/portable communication devices, etc. | 06-07-2012 |
20120095284 | BONE ANCHORED HEARING AID WITH ADJUSTABLE RESONANCE DAMPING - The invention relates to a bone anchored hearing aid with a sound processor which generates a vibration signal and serves the signal at a vibrator for transmission of the vibration signal into the skull bone of a wearer and where a resonance damping system is provided in the hearing aid and comprising an electronic notch filter having a notch filter center frequency F1, wherein the notch filter frequency F1 is below a resonance frequency F | 04-19-2012 |
20120087505 | WIRELESS BINAURAL HEARING SYSTEM - A wireless binaural hearing system comprises a left-ear hearing device, a right-ear hearing device and auxiliary devices. The devices communicate via radio signals. Each device comprises a radio transmitter transmitting messages, each hearing device comprises a radio receiver receiving messages, the auxiliary device is adapted to transmit application messages, and the hearing devices are adapted to receive application messages. The quality of wireless communication varies when the user moves his head, which may lead to temporal gaps in communication. Such gaps may cause annoying pauses and/or delays in audio signals presented to the user, and the hearing devices may become temporarily unsynchronised. To avoid such gaps and improve reliability of the communication, without increasing the radio signal power, a first hearing device relays received application messages to a second hearing device in dependence on network messages received from the second hearing device indicating whether application messages were correctly received. | 04-12-2012 |
20120001669 | LOW-POWER DUAL-EDGE-TRIGGERED STORAGE CELL WITH SCAN TEST SUPPORT AND CLOCK GATING CIRCUIT THEREFOR - A storage cell having a pulse generator and a storage element is proposed. The storage element input is connected to receive a data input signal. The storage element output is connected to provide a data output signal. The storage element is operable in one of a data retention state and a data transfer state in response to a storage control signal received from the pulse generator. The pulse generator is connected to receive a clock signal with rising and falling clock signal edges and is adapted to provide control pulses in the storage control signal. Each control pulse has a leading edge and a trailing edge. The control pulses have a polarity suited to invoke the data transfer state on their leading edges. The novel feature is that the pulse generator is adapted to initiate a rising-edge control pulse when receiving a rising clock signal edge and to initiate a falling-edge control pulse when receiving a falling clock signal edge. In this way, a dual-edge-triggered flip-flop may be made using only combinatorial logic circuitry and one level- or single-edge-triggered storage element. The storage cell has low power consumption, facilitates scan testing and can be used by existing design tools and test equipment. | 01-05-2012 |
20110311075 | SPECTRAL BAND SUBSTITUTION TO AVOID HOWLS AND SUB-OSCILLATION - A listening device for processing an input sound to an output sound, includes an input transducer for converting an input sound to an electric input signal, an output transducer for converting a processed electric output signal to an output sound, a forward path being defined between the input transducer and the output transducer and including a signal processing unit for processing an input signal in a number of frequency bands and an SBS unit for performing spectral band substitution from one frequency band to another and providing an SBS-processed output signal, and an LG-estimator unit for estimating loop gain in each frequency band thereby identifying plus-bands having an estimated loop gain according to a plus-criterion and minus-bands having an estimated loop gain according to a minus-criterion. Based on an input from the LG-estimator unit, the SBS unit is adapted for substituting spectral content in a receiver band of the input signal with spectral content from a donor band in such a way that spectral content of the donor band is copied and possibly scaled with a scaling function and inserted in the receiver band instead of its original spectral content, wherein the receiver band is a plus-band and the donor band is a minus-band. | 12-22-2011 |
20110310520 | HIGH VOLTAGE SWING INPUT/OUTPUT ENABLED IN A STANDARD IC PROCESS USING PASSIVE IMPEDANCE TRANSFORMATION - The application relates to a method of enabling a high voltage input and/or output in a standard IC process, the high voltage being higher than specified for I/O transistors of the IC process. The application further relates to a transceiver IC and to an article of manufacture comprising a transceiver IC. The object of the present application is to provide an integrated circuit in a standard IC process that supports larger than specified input/output swings. The problem is solved in that providing that high voltage inputs or outputs of an IC implemented in said standard IC process comprise passive impedance transformation circuitry. This has the advantage of facilitating the use of a standard IC process for higher than specified voltage I/Os. The standard IC process is preferably a CMOS or BiCMOS semiconductor process. The invention may e.g. be used for low power communication devices, e.g. portable devices having a wireless interface, e.g. listening devices, e.g. hearing instruments. | 12-22-2011 |
20110310516 | ESD PROTECTION IN A STANDARD CMOS OR BICMOS IC PROCESS TO ENABLE HIGH VOLTAGE INPUT/OUTPUTS - The application relates to a method of ESD protecting high-voltage inputs of an integrated circuit fabricated in a standard CMOS IC process, the high-voltage inputs being expected to experience nominal voltage swings that are larger than the nominal maximum voltage swing of the standard CMOS IC process. The application further relates to an IC and to an article of manufacture comprising the IC and an antenna. The object of the present application is to provide an integrated circuit in a standard CMOS process that supports larger than nominal input/output swings. The problem is solved by a) providing an ESD-diode comprising an anode and a cathode and having a forward bias voltage V | 12-22-2011 |
20110299713 | PORTABLE ELECTRONIC DEVICE COMPRISING A FOLDED SUBSTRATE - A portable electronic device having a) a folded substrate carrying components of the device, and b) another, separate component having a fixed outer contour, and c) a housing for enclosing said folded substrate and said separate component, said housing having an inner contour, wherein said folded substrate is folded from a planar substrate along a folding line, said folded substrate exhibiting outer edges comprising a folded edge following said folding line. A method of manufacturing a folded substrate. An object of the present application is to facilitate miniaturization of a portable electronic device, such as a hearing aid. A problem is solved in that the folded substrate is shaped to provide that at least one of said outer edges follow(s) the fixed outer contour of the separate component and/or the inner contour of said housing. | 12-08-2011 |
20110249843 | SOUND PERCEPTION USING FREQUENCY TRANSPOSITION BY MOVING THE ENVELOPE - The application relates to a method of improving a user's perception of an input sound. The application further relates to an audio processing device and to its use. The object of the present application is to increase the sound quality of a sound signal as perceived by a user, e.g. a hearing impaired user. The method comprises a) Defining a critical frequency f | 10-13-2011 |
20110222621 | WIRELESS COMMUNICATION SYSTEM WITH A MODULATION BANDWIDTH COMPARABLE TO OR EXCEEDING THE BANDWIDTH OF THE TRANSMITTER AND/OR RECEIVER ANTENNAS - A wireless communication system includes a) a first device having a transmitter part with a Tx-antenna for transmitting an electrical signal having a signal bandwidth BW | 09-15-2011 |
20110200218 | HEARING AID WITH A CASING ELEMENT - The hearing aid comprises a casing element enclosing electronic components and a battery drawer hingedly connected to the casing element for pivotal movement with respect to the casing element. Bushings in the casing element corresponding to seats in the battery drawer are provided co-axially with the desired pivotal axle and a metal hinge pin is provided coaxially with the desired pivotal axle and extends centrally through holes in the bushings, the battery drawer and the casing parts. | 08-18-2011 |
20110194717 | HEARING AID WITH EXCHANGEABLE SHELL PARTS AND WIRELESS COMMUNICATION - Hearing aid or audio device having a behind the ear part adapted to rest behind an earlobe of a user and a speaker unit comprising a speaker, whereby the speaker unit is adapted for insertion into the ear of a user, and whereby electric leads are provided between the speaker unit and the behind the ear part, said leads having a connection part opposite the speaker unit for connection with a corresponding socket in the behind the ear part, wherein the exterior and visible parts of the behind the ear part are defined by a generally U-shaped shell element, a battery drawer and a microphone cover plate characterized in that all further inside parts of the behind the ear part are interconnected to form a single sub-assembly and in that said sub-assembly is releasably coupled to the U-shaped shell element between two upright walls thereof by latch-locks provided to interact between the microphone cover plate and the upright wall elements | 08-11-2011 |
20110180421 | USE OF A SACRIFICIAL ANODE FOR CORROSION PROTECTION OF A PORTABLE DEVICE, E.G. A HEARING AID - A portable device includes a substrate, a number of electronic components, and a battery having an anode and a cathode for energizing at least some of the components. The application further relates to a method of protection a portable device against corrosion and to the use of a portable device. An object of the present application is to protect selected metallic parts of a bodyworn electronic device against corrosion in a flexible and controlled manner. The problem is solved in that the portable device includes a sacrificial anode in the form of a component adapted to be surface mounted on the substrate. This has the advantage that corrosion can be contained at a specific location. The device may e.g. be used for portable listening devices, e.g. hearing aids or headsets or earphones including a part adapted for being worn at or in an ear of a user. | 07-28-2011 |
20110176685 | Audio System with Feedback Detection Means - The invention concerns in a first aspect an audio system comprising a microphone, audio signal processing means, an output transducer and means for detecting a possible feedback tone and the corresponding frequency of the feedback tone in the audio system between the output transducer and the microphone. According to the invention means for counteracting feedback are provided. Further, means are provided for changing the phase of the audio signal at a given frequency. In a further aspect, a binaural hearing aid system comprising first and second hearing instruments according to the first aspect, each hearing instrument comprising transceiver circuitry allowing an exchange of signals between the two hearing instruments, and wherein the binaural hearing aid system is adapted to provide that a phase change introduced in the first audio signal by a controller of the first hearing instrument is or can be introduced in the second audio signal of the second hearing instrument via said transceiver circuitry. | 07-21-2011 |
20110150257 | ADAPTIVE FEEDBACK CANCELLATION BASED ON INSERTED AND/OR INTRINSIC CHARACTERISTICS AND MATCHED RETRIEVAL - The invention relates to an audio processing system for processing an input sound to an output sound. The invention further relates to a method of estimating a feedback transfer function in an audio processing system. The object of the present invention is to provide an alternative scheme for minimizing feedback in audio processing systems. The problem is solved in that the audio processing system comprises an input transducer for converting an input sound to an electric input signal and defining an input side, an output transducer for converting a processed electric output signal to an output sound and defining an output side, a forward path being defined between the input transducer and the output transducer, and comprising a signal processing unit adapted for processing an SPU-input signal originating from the electric input signal and to provide a processed SPU-output signal, and an electric feedback loop from the output side to the input side comprising a feedback path estimation unit for estimating an acoustic feedback transfer function from the output transducer to the input transducer, and a enhancement unit for estimating noise-like signal components in the electric signal of the forward path and providing a noise signal estimate output, wherein the feedback path estimation unit is adapted to use the noise signal estimate output in the estimation of the acoustic feedback transfer function. This has the advantage of providing an adaptive feedback cancellation system which is robust in situations with a high degree of correlation between the output signal and the input signal of an audio processing system, e.g. a listening device. The invention may e.g. be used in public address systems, entertainment systems, hearing aids, head sets, mobile phones, wearable/portable communication devices, etc. | 06-23-2011 |
20110129094 | CONTROL OF OPERATING PARAMETERS IN A BINAURAL LISTENING SYSTEM - The application relates to a binaural listening system comprising first and second listening devices adapted for being located at or in left and right ears, respectively, of a person during use of the listening system, each listening device comprising antenna and transceiver circuitry for establishing a bidirectional wireless link to the opposite listening device during use of the system, each listening device comprising a manually operable activation element for influencing the functionality of the listening system in a predefined way, the manually operable activation element having at least one mode of operation. The application further relates to use of binaural listening system and to a method of operating a binaural listening system. The object of the present application is to provide a scheme for enabling a user input in a binaural listening system. The problem is solved in that the system is adapted to provide that the effect on functionality of a specific activation of the manually operable activation element of the first listening device is different from the effect of the same specific activation of the corresponding manually operable activation element of the second listening device. This has the advantage of enabling a scheme for setting operating parameters of the system with a minimum of activators. The invention may e.g. be used for the where listening devices are used at both ears of a user, e.g. hearing instruments, head phones, active ear protection devices, etc. | 06-02-2011 |
20110096948 | HEARING INSTRUMENT COMPRISING A DIVIDED WAX FILTER - The invention relates to a hearing instrument comprising an ITE-part adapted for being positioned in the ear canal of a user, the ITE-part comprising a housing comprising first and second openings adapted for facing towards the ear drum when said ITE-part is mounted in the ear canal, said first and second openings being adapted to allow first and second functional elements of the ITE-part to be in communication with the ear canal, the hearing instrument further comprising a wax filter adapted to fully or partially cover said first and second openings. The invention further relates to the use of a hearing instrument, to a method of wax protection in a hearing instrument and to a wax filter. The object of the present invention is to provide an alternative solution to protect relevant parts of a hearing aid against wax deposition. The problem is solved in that the wax filter comprises at least first and second distinctly different parts for covering respectively, said first and second openings, each of said first and second distinctly different parts of the wax filter being individually optimized. This has the advantage of providing a flexible one-piece wax filter that is optimized according to need. The invention may e.g. be used for the hearing instruments comprising an in-the-ear-part. | 04-28-2011 |
20110069854 | LISTENING DEVICE WITH A RECHARGEABLE ENERGY SOURCE ADAPTED FOR BEING CHARGED THROUGH AN ITE-UNIT, OR A CONNECTOR CONNECTABLE TO, OR A CONNECTOR OF, A BTE-UNIT - A listening device comprising an ITE part adapted for being located in an ear canal of a user and a BTE part adapted for being located behind an ear of the user, the ITE and BTE parts being at least mechanically connected by a connecting element, the listening device having a rechargeable energy source and electric charge terminals for allowing the charging of the rechargeable energy source when electrically connected to charging terminals of a charging station. Further, a method of charging a rechargeable energy source of a listening device and to a listening system. The electric charging terminals of the listening device are located in or on the ITE part, the connecting element or in an electrical connector of the connecting element connectable to the BTE part, or in an electrical connector of the BTE part connectable to the electrical connector of the connecting element. | 03-24-2011 |
20110059696 | SHORT RANGE, UNI-DIRECTIONAL WIRELESS LINK - The invention relates to a system comprising a master device and at least one slave device, e.g. two slave devices, the master device comprising a transmitter including a Tx-inductive coil, and the slave device comprising a receiver including an Rx-inductive coil. The invention further relates to a method and use. The object of the present invention is to solve one or more problems of the prior art, e.g. economize on power consumption for a wireless communications link. The problem is solved in that the master and slave devices are adapted to establish a uni-directional wireless link for forwarding an upstream signal from the master to the slave device via the inductive coupling between the Tx- and Rx-induction coils when the master and slave devices are located within a certain distance from each other, wherein the master device is adapted to provide that the upstream signal comprises a payload signal and at least one control signal, the at least one control signal is/are embedded in the payload signal and repeated according to a predefined scheme, and wherein the at least one control signal represents an intended current setting of an operational parameter of the slave device. An advantage of the invention is that it provides a scheme for wirelessly controlling and changing the settings of a slave device from a master device using a uni-directional link from master to slave device. The invention may e.g. be used for applications involving wireless communication between devices at least one of which is a low-power (e.g. battery driven) device, e.g. a portable device, e.g. a listening device, such as a hearing instrument or a pair of hearing instruments. | 03-10-2011 |
20110051948 | METHOD OF CORRECTING ERRORS IN BINARY MASKS - The invention relates to a method of identifying and correcting errors in a noisy binary mask. An object of the present invention is to provide a scheme for improving a binary mask representing speech. The problem is solved in that the method comprises a) providing a noisy binary mask comprising a binary representation of the power density of an acoustic signal comprising a target signal and a noise signal at a predefined number of discrete frequencies and a number of discrete time instances; b) providing a statistical model of a clean binary mask representing the power density of the target signal; and c) using the statistical model to detect and correct errors in the noisy binary mask. This has the advantage of providing an alternative and relatively simple way of improving an estimate of a binary mask representing a speech signal. The invention may e.g. be used for speech processing, e.g. in a hearing instrument. | 03-03-2011 |
20110019838 | AUDIO PROCESSING IN A PORTABLE LISTENING DEVICE - The invention relates to a method of processing an audio signal in a portable listening device, the audio signal comprising a low frequency part having an LF-bandwidth Δf | 01-27-2011 |
20100303267 | LISTENING DEVICE PROVIDING ENHANCED LOCALIZATION CUES, ITS USE AND A METHOD - The invention relates to a listening device comprising an ear-part adapted for being worn in or at an ear of a user, a front and rear direction being defined relative to a person wearing the ear-part in an operational position. The invention further relates to a method of operating a hearing instrument, to its use, to a listening system, to a computer readable medium and to a data processing system. The object of the present invention is to provide localization cues for indicating a direction of origin of a sound source. The problem is solved in that the listening system comprises (a) a microphone system comprising at least two microphones each converting an input sound to an electrical microphone signal, (b) a DIR-unit comprising a directionality system for providing a weighted sum of the at least two electrical microphone signals thereby providing at least two directional microphone signals having maximum sensitivity in spatially different directions and a combined microphone signal, and (c) a frequency shaping-unit for modifying the combined microphone signal to indicate directional cues of input sounds originating from at least one of said spatially different directions and providing an improved directional output signal. This has the advantage of providing an alternative or an addition to natural localization cues. The invention may e.g. be used in listening devices, e.g. hearing instruments, head phones, headsets or active ear plugs. | 12-02-2010 |
20100301803 | CHARGING DEVICE AND ALGORITHM FOR CHARGING NIMH BATTERIES - A method of charging or recharging a NiMH battery. The disclosure further relates to a charging station and a system. The object of the disclosure is to provide a charging algorithm that charges the battery in a relatively short time and at the same time is relatively gentle as regards its life time degradation. The problem is solved in that the method includes a) providing a constant charge current until a predefined threshold voltage is reached; b) when the predefined threshold voltage is reached, keeping the voltage constant by reducing the charge current; and wherein the predefined threshold voltage is determined depending on the temperature of the battery. This has the advantage of providing a charging algorithm with a compromise between charging speed and battery life time. The disclosure may, e.g., be used for the portable communication devices, e.g. listening devices, such as hearing instruments. | 12-02-2010 |
20100272272 | HEARING INSTRUMENT USING RECEIVERS WITH DIFFERENT PERFORMANCE CHARACTERISTICS - The invention regards a hearing aid comprising a receiver and a signal processing device, wherein the signal processing device is electrically coupled to a connection socket operable to detachably connect the receiver to the socket and whereby the signal processing device further comprise a detector operable to detect a characteristics of the receiver which is connected to the signal processing device through the connection socket. The present invention addresses the problem of identification of individual receiver properties as well as of identifying different types of receivers. | 10-28-2010 |
20100254555 | HEARING AID SYSTEM WITH FEEDBACK ARRANGEMENT TO PREDICT AND CANCEL ACOUSTIC FEEDBACK, METHOD AND USE - The invention relates to a hearing aid system with an electrical feedback cancellation path, for compensating acoustic feedback between an output transducer and an input transducer by subtracting an estimate of the acoustical feedback from a signal on the input side of the amplifier part, the electrical feedback cancellation path comprising an adaptive filter for providing a variable filtering function. The invention further relates to a method of compensating acoustic feedback in a hearing aid system and to its use. The object of the present invention is to provide an alternative scheme for estimating the acoustical/mechanical feedback in a hearing aid. The problem is solved in that the hearing aid system comprises a second electrical input signal consisting essentially of the direct part of said first electrical input signal (i.e. without acoustic feedback), and wherein the second electrical input signal is used to influence, preferably enhance, the filtering function of the adaptive filter of the feedback cancellation path. Preferably, the system comprises a second input transducer for generating the second electrical input signal, the second input transducer being spatially located at a position where the amplitude of the acoustical signal from the output transducer at a given frequency is smaller than at the location of the first input transducer, and wherein the electrical signal of the second input transducer is used to adapt the filtering function of the adaptive filter. Preferably, the signal path comprises a generator of an electrical probe signal for use in characterizing the feedback path. The invention may e.g. be used in binaural hearing aid systems or in connection with other electronic devices comprising a second electrical input signal, e.g. generated by a microphone separately located from a first microphone of the hearing aid. | 10-07-2010 |
20100232634 | ONLINE ANTI-FEEDBACK SYSTEM FOR A HEARING AID - The invention relates to a hearing aid system comprising an input transducer, a forward path, an output transducer and an electrical feedback path, the forward path comprising a signal processing unit for modifying an electrical input signal to a specific hearing profile over a predefined frequency range, wherein the predefined frequency range comprises a number of frequency bands, for which maximum forward gain values IG | 09-16-2010 |
20100226519 | HEARING AID - The invention relates to a hearing aid comprising a shell shaped for placement behind the ear lobe of a hearing aid user whereby a battery door is mounted in the shell for rotational movement between an open position for granting access to a battery and a closed position where
| 09-09-2010 |
20100220841 | NECKLOOP FOR TELELOOP HEARING AID SYSTEM - The invention relates to a neckloop for being coupled with a transformer element and for generating an electromagnetic signal for being received by a telecoil of a hearing device or by an induction receiver. In order to avoid strangulation of the person wearing the neckloop the neckloop comprises a teleloop cable having a first end and a second end, and a first magnet and a second magnet for forming a clasp of the neckloop. The first and second magnets are of opposite polarity. The first magnet is provided with a first plating and the second magnet is provided with a second plating. The first plating is in direct contact with the first end and the second plating is in direct contact with the second end. | 09-02-2010 |
20100202641 | HEARING DEVICE WITH ADAPTIVE FEEDBACK SUPPRESSION - This invention relates to a hearing device for compensating hearing impairment of a user. The hearing device comprises an input signal converter for converting an acoustic signal to an electric signal, a signal processor, an output signal converter for converting a processed signal to a processed acoustic signal presented to the user, and an adaptive feedback suppression unit compensating for acoustic feedback between the output signal converter and the input signal converter and to generate a feedback compensation signal, which is mixed with the electric signal from the input signal converter to provide a compensated electric signal. The signal processor is adapted to process the compensated electric signal and to generate a processed signal therefrom. The hearing device further comprises an open loop approximation unit adapted to monitor relation between the compensated electric signal and the processed signal, and adapted to generate a control signal based on the relation, the control signal controlling the signal processor and/or the adaptive feedback suppression unit. | 08-12-2010 |
20100196861 | METHOD OF OPERATING A HEARING INSTRUMENT BASED ON AN ESTIMATION OF PRESENT COGNITIVE LOAD OF A USER AND A HEARING AID SYSTEM - A method of operating a hearing instrument for processing an input sound and to provide an output stimulus according to a user's particular needs, and related system, computer readable medium and data processing system. An object is to provide an improved customization of a hearing instrument. The method includes the steps a) providing an estimate of the present cognitive load of the user; b) providing processing of an input signal originating from the input sound according to a user's particular needs; and c) adapting the processing in dependence of the estimate the present cognitive load of the user. The estimate of the present cognitive load of a user is produced by in-situ direct measures of cognitive load (e.g. based on EEG-measurements, body temperature, etc.) or by an on-line cognitive model in the hearing aid system whose parameters have been preferably adjusted to fit to the individual user. | 08-05-2010 |
20100195858 | HEARING DEVICE - The invention relates to a hearing device | 08-05-2010 |
20100191125 | APPARATUS AND METHOD FOR OBTAINING GEOMETRICAL DATA RELATING TO A CAVITY - Disclosed is an apparatus for obtaining geometrical data relating to an internal surface of a cavity. The apparatus comprises a probe having an end portion insertable into the cavity in a direction of insertion, radiation directing means for directing electromagnetic radiation from the end portion to at least one location on the internal surface to cause the radiation to be reflected from said location, detection means for detecting the reflected radiation from the at least one location, and means for determining from the detected radiation a distance between the probe and the internal surface in a direction having at least a transverse component relative to the direction of insertion. The radiation directing means is adapted to direct the radiation at an acute angle relative to the direction of insertion. | 07-29-2010 |
20100145134 | Device for Treatment of Stuttering and Its Use - The invention relates to a portable listening system comprising a microphone device for picking up a person's voice and a listening device comprising a receiver. The invention further relates to the use of such system. The object of the present invention is to provide a portable device for treatment of stuttering. The problem is solved in that the system being adapted to pick up the voice of a person wearing the portable system by the microphone device, converting the voice to an own voice electrical signal, to transmit the own voice electrical signal to the listening device, to receive the own voice electrical signal in the listening device and to play it for the person by the receiver with a delay. An advantage of the invention is that it provides a flexible body worn system suitable for treatment of stuttering. The invention may e.g. be used for applications involving listening devices to be worn by a person to be treated for stuttering. | 06-10-2010 |
20100141439 | TIME FOR EAR PILL INTAKE DETERMINED BY NOISE DOSIMETRY IN WEARABLE DEVICES - The disclosure relates to a portable processing system adapted for being worn by a user and comprising an input transducer for converting an input sound to an electric input signal, and a signal processing unit adapted for processing an SPU-input signal originating from the electric input signal. The disclosure further relates to use of such system and to a method. The object of the present disclosure is to provide an alerting device aiding a user in administering the dose of a hearing protecting agent. The problem is solved in that the signal processing unit comprises a monitoring part for monitoring and determining an accumulated sound dose AccD in the electric input signal from a start time t0 and for generating an alarm output at a threshold time t | 06-10-2010 |
20100136905 | A WIRELESS COMMUNICATION DEVICE FOR INDUCTIVE COUPLING TO ANOTHER DEVICE - A communications device for wireless communication with another device, the communications device having a) a first part having a first housing and a first induction coil for providing an inductive coupling to the other device, and b) a second part having a second induction coil adapted to be inductively coupled to said first induction coil and to said other device when mounted on or near said first housing. Provided is a relatively simple mechanical interface for an inductively coupled link between a communications device and another device. The second part is adapted to be detachably attachable to the first housing. An advantage is that no connector is needed whereby a simpler and more reliable device is provided. The consequences of wear of the connector leading to increased contact resistance and/or failure of the electrical connection is avoided. | 06-03-2010 |
20100135511 | HEARING AID ALGORITHMS - The invention relates to a method of operating an audio processing device. The invention further relates to an audio processing device, to a software program and to a medium having instructions stored thereon. The object of the present invention is to provide improvements in the processing of sounds in listening devices. The problem is solved by a method comprising a) receiving an electric input signal representing an audio signal; b) providing an event-control parameter indicative of changes related to the electric input signal and for controlling the processing of the electric input signal; c) storing a representation of the electric input signal or a part thereof; d) providing a processed electric output signal with a configurable delay based on the stored representation of the electric input signal or a part thereof and controlled by the event-control parameter. The invention may e.g. be used in hearing instruments, headphones or headsets or active ear plugs. | 06-03-2010 |
20100128911 | METHOD TO REDUCE FEEDBACK IN HEARING AIDS - Disclosed is a method of reducing feedback in a hearing aid adapted to be worn by a user, the method comprising the step of: receiving an audio input signal in an input transducer in the hearing aid; wherein the method further comprises the steps of: transforming the input signal into the frequency domain; dividing the audio signal into a plurality of frequency bands; determining a threshold frequency over which a plurality of upper frequency bands lies; multiplying each of the plurality of upper frequency bands by a random phase, thereby obtaining a plurality of phase randomized upper frequency bands; synthesizing the plurality of phase randomized upper frequency bands and the lower frequency bands to an output signal; transforming the output signal into the time-domain; and transmitting the output signal to an output transducer of the hearing aid. | 05-27-2010 |
20100124347 | BINAURAL HEARING INSTRUMENT - A binaural hearing instrument set is described in which algorithms are split into a server part and a thin-client part. The respective server part of the algorithm is located in a first hearing instrument unit, while the thin-client part is located in a second unit in the binaural hearing instrument set. This is advantageous in that it enables optimization of the usage of combined processing resources in the two units. | 05-20-2010 |
20100098278 | LISTENING SYSTEM COMPRISING A CHARGING STATION WITH A DATA MEMORY - A listening system, e.g. a hearing aid system, including a charging station and one or more listening devices, e.g. hearing instruments. The hearing aid system includes a) a hearing instrument including a rechargeable battery for energizing the hearing instrument, and a volatile data memory, wherein basic data for the configuration of the hearing instrument are stored during normal operation, b) a charging station adapted for allowing a hearing instrument to be mounted and the battery to be recharged without removing the battery from the hearing instrument, and c) a connection allowing communication between the charging station and the hearing instrument, to allow the basic data for the configuration of the hearing instrument to be transferred from the data memory of the charging station to the data memory of the hearing instrument, when the hearing instrument is mounted in the charging station. | 04-22-2010 |
20100067723 | USER INTERFACE FOR A COMMUNICATIONS DEVICE - A body worn communications device for communicating with a head-worn listening device, the communications device being adapted for receiving a multitude of audio signals and for transmitting at least one audio signal selected among the multitude of audio signals to the listening device, the communications device having a number of functional push-buttons for influencing the selection and properties of said audio signals. The communications device has a user interface having a number of functional push-buttons for influencing the state of the user interface, such as the selection (and de-selection) of an audio signal, events and properties related to the audio signal, and wherein the state of the user interface is indicated at the same button where the state can be influenced. | 03-18-2010 |
20100062145 | METHOD OF GENERATING AN ELECTRICAL COMPONENT OF AN ELECTRICAL CIRCUITRY ON A SUBSTRATE - A method of generating an electrical component ( | 03-11-2010 |
20100020992 | HEARING AID WITH MEMORY SPACE FOR FUNCTIONAL SETTINGS AND LEARNED SETTINGS, AND PROGRAMMING METHOD THEREOF - The invention provides a hearing aid comprising a microphone, a signal processing unit, an output unit which generates an output signal perceivable as sound, whereby the signal processing unit comprises a first memory M | 01-28-2010 |
20090290146 | PROBING DEVICE AND A SYSTEM FOR OBTAINING GEOMETRICAL DATA RELATED TO A CAVITY - Disclosed is a probing device for obtaining geometrical data related to a cavity, the probing device comprising at least one light source for generating electromagnetic radiation; a handheld probe body comprising a probe tip for obtaining said geometrical data related to a cavity; at least one light guide for guiding electromagnetic radiation; wherein a first end of said at least one light guide is optically coupled to said probe tip; and wherein the at least one light source is optically coupled to a second end of said at least one light guide and wherein the at least one light source is rigidly connected to said probe body. | 11-26-2009 |
20090289938 | APPARATUS AND METHOD FOR REPRESENTING A SCANNED SURFACE - Disclosed is a method for generating a digital representation of a surface of an object from point data indicative of coordinates of points on the surface. The method comprises receiving a point data item indicative of coordinates of a point in a first one of a plurality of sub-volumes of a volume to be scanned; determining whether a first predetermined trigger condition is fulfilled for the first sub-volume; and if the first trigger condition is fulfilled, computing a local surface representation associated with the first sub-volume from received point data items associated with at least the first sub-volume; determining whether a second predetermined trigger condition is fulfilled; and if the second trigger condition is fulfilled, computing a surface representation of the surface of the object from a set of computed local surface representations associated with respective sub-volumes. | 11-26-2009 |
20090289621 | PROBE AND COIL FIXED THERETO FOR ESTABLISHING THE SPATIAL LOCATION OF A PROBE BODY AND A METHOD OF FIXEDLY POSITION A MAGNETIC GENERATING MEANS TO A PROBE BODY AND A SYSTEM FOR OBTAINING GEOMETRICAL DATA RELATED TO A CAVITY - Disclosed is a probe for obtaining geometrical data related to a cavity, the probe comprising a probe body comprising a first coupling means; at least one magnetic field generating device comprising a support member and a means for generating a magnetic field; wherein said means for generating a magnetic field being connected to the support member so as to fix a position of said means for generating a magnetic field relative to said support member and wherein said support member comprises a second coupling means configured to engage the first coupling means so as to connect the at least one magnetic field generating device to said probe body. | 11-26-2009 |
20090202091 | Method of estimating weighting function of audio signals in a hearing aid - Disclosed is method of generating an audible signal in a hearing aid by estimating a weighting function of received audio signals, the hearing aid is adapted to be worn by a user; the method comprises the steps of: | 08-13-2009 |
20090196445 | LISTENING SYSTEM WITH AN IMPROVED FEEDBACK CANCELLATION SYSTEM, A METHOD AND USE - The invention relates to a listening system comprising a first input transducer for converting an input sound to an electrical input signal, the electrical input signal comprising a direct part and an acoustic feedback part, an output transducer for converting an electrical output signal to an output sound, a forward path being defined between the input and output transducer and comprising a signal processing unit, a feedback cancellation system for estimating acoustic feedback comprising an adaptive FBC filter arranged in parallel to the forward path, the adaptive FBC filter comprising a variable FBC filter part and an FBC update algorithm part for updating the variable FBC filter part, the FBC update algorithm part comprising first and second FBC algorithm input signals influenced by the electrical input and output signals, respectively, the first and second FBC update algorithm input signal paths comprising first and second variable filters, respectively, the listening system further comprising an electrical update signal essentially consisting of said direct part of said electrical input signal. The invention further relates to a method of improving feedback cancellation and to use of a listening system. The object of the present invention is to provide an alternative scheme for improving acoustic feedback cancellation. The problem is solved in that said first and second variable filters are adapted to be updated on the basis of said electrical update signal. An advantage of the invention is that a desired tone in the input signal is not substantially affected by the feedback cancellation system. The invention may e.g. be used in listening devices comprising active feedback cancellation, e.g. hearing aids, active ear protection devices, etc. | 08-06-2009 |
20090192345 | BONE CONDUCTING HEARING AID WITH CONNECTION - The hearing aid according to the invention comprise:
| 07-30-2009 |
20090154743 | ADAPTIVE HEARING DEVICE AND METHOD FOR PROVIDING A HEARING AID - A hearing device having an input unit for converting an acoustic input to a first signal, an output unit for converting a second signal to an acoustic output and a signal processing unit for generating said second signal from said first signal based on a setting indicating a characteristic of a user's ear, said signal processing unit coupling said input unit and said output unit, to a corresponding method for providing a hearing aid and a corresponding computer program. In order to provide an adaptive hearing device and a method for providing a hearing aid which allow for a compensation for the change in a characteristic of a user's ear, in particular for the change to the ear of a child during growth and which are of a low complexity and do not need additional sensors. | 06-18-2009 |
20090084586 | ASSEMBLY COMPRISING AN ELECTROMAGNETICALLY SCREENED SMD COMPONENT, METHOD AND USE - The disclosure relates to an electronic component assembly including at least one SMD component ( | 04-02-2009 |
20090074197 | Frequency transposition applications for improving spatial hearing abilities of subjects with high-frequency hearing losses - A method of configuring a frequency transposition scheme for transposing a set of received frequencies of an audio signal received by a hearing aid worn by a subject to a transposed set of frequencies, wherein the method comprises determining at least one subject-dependent parameter indicative of the subject's ability to detect audio frequencies, and at least one subject-dependent parameter indicative of the location in frequency of one or more spectral cues, configuring a subject-dependent frequency transposition scheme based on the determined subject-dependent parameters, the subject-dependent frequency transposition scheme being configured so as to improve the subject's spatial hearing capabilities, and adapting the hearing aid to perform the configured subject-dependent frequency transposition scheme. | 03-19-2009 |
20090060517 | METHOD OF AND SYSTEM FOR POSITIONING FIRST AND SECOND DEVICES RELATIVE TO EACH OTHER - The invention relates to a method of locating a first device for wirelessly communicating with a second device relative to each other. The invention further relates to a system comprising a first device and a second device adapted for wirelessly communicating with each other. The object of the present invention is notify a user of an appropriate position of a first device relative to a second device with a view to ensuring proper wireless communication between them. The problem is solved in that one or more light sources are used to notify the user of appropriate locations of the two devices relative to each other according to a predifined correspondence scheme between appropriate beam patterns and distances between the devices The invention has the advantage of assisting a user in attaining a correct or appropriate distance between a first device (e.g. a programming device) and a second device (e.g. a device to be programmed). The invention may e.g. be used for programming or uploading data from a programming or server device to a portable audio device (e.g. a hearing aid) or to an entertainment device (e.g. a music player or a head set). | 03-05-2009 |
20090052708 | Hearing aid with anti-feedback - Disclosed is a hearing aid, where at least part of the hearing aid is adapted to be inserted into an ear canal of a user such that one end of the hearing aid and the tympanic membrane in the ear canal define a residual space of the ear canal, the hearing aid comprising an ambient space input transducer adapted to convert ambient sound to an electric sound signal, when the ambient sound reaches the ear of a user from an ambient space, a processor connected to said ambient space input transducer and adapted to process said electric sound signal, an output transducer connected to said processor and adapted to convert said processed electric sound signal to a sound pressure in the residual space of the ear canal, and wherein the hearing aid further comprises a residual space input transducer connected to said processor and arranged to predominantly receive said sound pressure in the residual space, and wherein the residual space input transducer is adapted to convert said sound pressure to an electric residual space signal for compensating acoustic feedback. | 02-26-2009 |
20090047994 | System and method for sharing network resources between hearing devices - This invention relates to a system ( | 02-19-2009 |
20090046879 | MULTIPURPOSE ANTENNA UNIT AND A HEARING AID COMPRISING A MULTIPURPOSE ANTENNA UNIT - The invention relates to an antenna unit for wireless communication to a multitude of wireless interfaces comprising a multitude of individual antennas, each antenna comprising a coil comprising at least one winding and the individual antennas embrace the same volume and to a hearing aid comprising such antenna unit. The object of the present invention is to provide an antenna unit and a hearing aid providing several wireless interfaces at a relatively small volume. The problem is solved in that at least one of the coils is adapted for providing an inductive coupling to another device. Among the advantages are reduced space/volume, reduced cost and reduced sensitivity to production tolerances compared to a solution comprising individual, separate antennas. The invention may e.g. be used in wireless communication devices, e.g. mobile telephones, head phones, head sets, hearing aids, etc. | 02-19-2009 |
20090046877 | Control arrangement for hearing aids or for control units coupled to hearing aids - In a control arrangement for hearing aids or for control units coupled to hearing aids, a strain gauge is mechanically coupled to an elastically deformable or displaceable portion of the hearing aid or of the control unit coupled thereto and undergoes an elastic deformation under the influence of an actuating force input by a user, whereby the strain gauge undergoes a variation of one of its electrical values which variation is detected by a controller which provides a control signal which serves for switching between different operation modes of the hearing aid or of the control unit coupled to the hearing aid. | 02-19-2009 |
20090041260 | Active noise cancellation in hearing devices - Disclosed is a hearing device system comprising at least one hearing aid circuitry and at least one active noise cancellation unit, the at least one hearing aid circuitry comprises at least one input transducer adapted to convert a first audio signal to an electric audio signal; a signal processor connected to the at least one input transducer and adapted to process said electric audio signal by at least partially correcting for a hearing loss of a user; an output transducer adapted to generate from at least said processed electric audio signal a sound pressure in an ear canal of the user, whereby the generated sound pressure is at least partially corrected for the hearing loss of the user; the at least one active noise cancellation unit being adapted to provide an active noise cancellation signal adapted to perform active noise cancellation of an acoustical signal entering the ear canal in addition to said generated sound pressure, wherein the hearing device system further comprises a combiner unit adapted to combine the processed electric audio signal with the active noise cancellation signal, to obtain a combined signal and to provide the combined signal to the output transducer. | 02-12-2009 |
20090034768 | System and Method for Eliminating Feedback and Noise In a Hearing Device - This invention relates to a system ( | 02-05-2009 |
20090029646 | Communications device, a system and method using inductive communication - The invention relates to the transmission of a signal from a communications device to another device (e.g. a hearing aid) by inductive communication and particularly to a scheme for improving the signal quality at the location of the other device. The object of the present invention is to provide an alternative scheme for improving the quality of inductive communication between two (e.g. portable) devices. The basic idea is to arrange at least two induction coils at an angle to each other in a transmitting device and to apply electrical signals comprising carrier signals comprising a carrier frequency f | 01-29-2009 |
20080253594 | Hearing instrument with linearized output stage - This invention relates to a hearing instrument ( | 10-16-2008 |
20080253593 | Hearing aid - A hearing aid is provided which comprise an audio signal input device ( | 10-16-2008 |